Heck, we already have self-admitted posters who don't feel compelled to read the entire thread before they throw their contribution at the fan.
No matter how big the disclaimer I doubt most, let alone all, posters would understand that their poll response could be identified. The board's had a long tradition of anonymous polls and it's one way that we can begin to glean some sort of conclusion-- perhaps even an accurate one-- about the various facets of ER.
I hear you, loud and clear. But I don't think "big brother" is needed here.