If you want to conduct an actually scientific poll, then it might mean something.
. . .
mathematically provable to be inaccurate.
Since you have appointed yourself an expert on scientific polling, please conduct one for us.
Failing that, prove to us, mathematically, why these polls are "provable to be inaccurate".
Put your math where your mouth is . . . either that or admit you don't know any more about it than the rest of us.