Sorry if this is obtuse. Trump has been polled for at least 10 years. Corporate media often points to the polls as a bad sign. Then Trump defies the polls and the pollster goes whoops and assumes next time the poll will be correct. But it never is. Trump has so often defied polls I’m surprised it’s not a meme. Anyway. I realize the number is never going to be 0 because some people are so fanatical they need to be deradicalized. Those people will always support Trump and they’ll also support the next snake oil salesman.