Not talking to you, or anyone else. I have no clue what you posted, since it is very unlikely that it would make any difference to my plans. Like I said, I would feel stupid if I were too tight to pay for a vaccine that might spare me real pain and perhaps help avoid meaningful disability for most of my remaining life.
This expense is not going to affect my life, but the shots might. I choose to spend on a reasonably effective vaccine against this risk. Shingles is not a rare disease in aging people. I don't care if 6 months later Medicare covers the shot, just not the sort of thing that bothers me.
I don't expect that my preference should be the same as others, so proceed as I would, and do whatever you want to.
Ha