The democrats know there is no Biden blowout. They keep him under wraps because every time he opens his mouth it’s embarrassing. Trump is tireless. Sleepy Biden looks like a feeble old man. He has never won the presidency because he is extremely flawed and quite frankly he’s not the brightest bulb in the sky.
The polls have generally been bogus when it comes to Trump. Look at the crowds that follow both candidates. That will tell you everything.