I am not saying I believe we have been visited by Alien intelligence,but I am open to the possibility we have.
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There's just been too many what I will call incidences happen over the years for there not to be something to it.There is the Betty and Barney Hill case of 1961.Then there is the Roswell case of 1947.Then there is the fascinating Bentwaters UFO in 1980.This happened on a base in England.Even those who are experienced pilots were baffled by what they saw.Then there is the Travis Walton case of 1975.There is the Weiner UFO abduction maybe 1976 or thereabouts.Then there is the Michelak case of 1967 in Canada where he saw a UFO and touched it and it left a physical mark on his stomach with radiation burns.All these cannot be hoaxes.We all want the smoking gun so to speak.If such evidence does exist and it likely does,it is in the hands by those who do not want to share it and are powerful enough to get away with it.
So do you believe these stories or not? You say you aren't necessarily believing in them...but then you say that all of them cannot be hoaxes (which implies that at least one is true - but that then begs the question "how do you know which wild fantasy is actually true, and which of the wild fantasies are hoaxes?")
And funny how all of these cases are in the last 50 years or so. Guess the aliens just happened to start showing up then? Or they didn't care about investigating us back in the middle ages, or earlier civilization times?
And are all of these reports about the same alien race? Do they have the same spacecraft? Or does our planet double as the intergalatic alien interchange where various alien civilizations visit us all at the same time, as I doubt all of these 'eyewitnesses' would describe the same aliens, exact same spacecraft, etc.
Suppose all of these stories are true - you want us to believe that the aliens came all that way to leave a burn mark on someone's stomach? Or to probe someone's rectum? Then turn around and disappear? No need to communicate with or probe any of the other world's 6 billion residents?
If they have a need to travel all that distance to examine us, why not communicate with us? Why these sporadic, handful of allegations? If you're going to make contact like that, why stop? And if they did want to examine us discretely, they are able to bend the fabric of space/time for their space travel - yet they can't wander around our planet without going unnoticed....except by people out in the middle of nowhere?
And let's take a quick look at just one random pick from your list:
Michelak case of 1967 in Canada
Summoning his nerve, Michalak approached the open door and stuck his head inside. There he saw a maze of lights on what appeared to be a panel, and beams of light in horizontal and diagonal patterns. There was also a cluster of lights flashing in a random sequence "like on a computer."
Ah, yes. An advanced alien civilization that can travel through wormholes or travel at faster than the speed of light has a spaceship with mere "blinking lights"...just like on a 1960s computer! Guess that special effects team on the 1970s Star Trek series weren't that far off with their infamous "blinking lights" that controlled the Enterprise! All you need are a few lights to turn on or off to maintain a ship traveling through wormholes. Advanced warp drives and other technological feats by alien races apparently do not accompany advanced communication display or controls technologies.
Not seeing anyone, he pulled back and waited. Suddenly, three panels slid together, closing the opening completely. Michalak then examined the outer surface of the object, noting that it was like highly polished colored glass with no breaks or seams in its surface. He touched it, and it melted his glove.
It "melted" his glove? I presume it wasn't a metallic glove, and rather a cotton or 'rough denim'-like glove. I highly doubt it dissolved the glove like a solvent would, and rather was so hot that it vaporized his glove -but at either rate, is he suggesting he had his glove partially pulled off of his hand? If he was wearing his glove like a normal person would, and if his finger was at the tip of the glove, when the glove tip dissolves/evaporates, why didn't his fingertip also evaporate? If the glove evaporated from extreme heat, then the gases would partially rise up inside his glove and burn his fingertip. If the glove 'dissolved' magically from solvents or chemical reaction, then why didn't his fingertip also meet the same fate? Or is he suggesting he somehow has a .001 second reaction time and somehow knew that his glove was 'dissolving' the absolute split second it came into contact with the UFO, so he didn't continue pushing forward with his fingertip? And if it was hot enough to incinerate his glove....wouldn't he feel the heat emanating from it before he touched it?
Oh, and funny how it dissolved his glove, yet doesn't do anything to the soil on the ground that it's sitting on.
Without warning, the object moved, and something like an exhaust vent was now in front of him. It was about nine inches high by six inches wide, and contained a uniform pattern of round holes, each about 1/16 inch in diameter. A blast of hot gas shot from these holes onto his chest, setting his shirt and undershirt on fire and causing him severe pain. He tore off his burning garments and threw them to the ground. He looked up in time to see the craft depart like the first, and felt a rush of air as it ascended.
Let me get this straight - a blast of "hot air" hit his shirt and it was so hot that it caught his outer and UNDER shirt "on fire" (and apparently left circle burns on his stomach)...yet, this same blast of hot air didn't do anything after it hit his shirt? (i.e. didn't partly deflect up and burn his face?) A story said he had 'redness' on his face...but if just air was directed at his shirt and 'caught it on fire', I would expect that air to be hot enough to actually burn his face as well.
Also - and more importantly - he describes the holes as being 1/16" diameter?!!? Do you realize what would happen if you had a series of holes that small with hot gas being pushed through it? It would diffuse similarly to one liquid being diffused through similar holes into another fluid (for visualization). In other words, the gases would slow down in velocity, and the gases themselves would spread out in shape. The alleged round circles that burned his shirt and his skin would never be caused by holes that would maintain that perfectly spherical shape - unless his shirt was touching the actual holes (which it doesn't say it was).
And what's with the "rush of air as it ascended"? An object with no 'exhaust ports' and no apparent means of combustion has a need to move air as it ascends? Funny that he never mentioned any rushing air as it DEscended in the beginning. Yes, it initially descended "160 feet away", but you would both feel and hear it similar to how it would have ascended.
Looking down, he saw that some moss had been set on fire by his smouldering shirts, and so he stamped it out.
So his shirt - which was just smouldering - somehow caught moss on fire? Looking at the pictures of his shirt for the cover of his book, there's no way in hell a few tiny burn circles on a cotton shirt would catch moss on fire.