Will liberals just use Joe's dementia as an excuse when he actually exceeds Jimmy Carter for for total ineptitude and economic misery?

they'll use it as excuse to replace Joe with Kamela and thus seize power for the left.

In what way or ways has Biden shown any sort of actual dementia? I'll save you the trouble. He hasn't. 

Chump, on the other hand, seems in the midst of an actual mental crisis. He should be ushered off into a quiet room, given lots of meds, told of course he won, then kept sedated until Biden and Kamala take over. Why is this insane clown allowed to wreak havoc on America? Where are the people who care about him even a little? Why are they not stepping in? Sometimes you have to care more about your daddy than the money still trickling in, Vanky. 

As for the economy, it's already tanked. It tanked back in Feb. You can look that up. The deficit is the highest it's ever been. When Biden takes over, the GOP will suddenly care about that deficit, that they helped inflate into ghastly totals. The tax cut for those poor billionaires alone, which did not pay for itself as promised. Trickle down still doesn't work, you morons. Stagnating wages, making sure almost no one can get health care, making sure student loan debt crushes entire generations of people fuucks with the economy, has for years now. 

But hey, chump is still embarrassing himself every day, so ya got that going for ya. 

He does not have dementia.

He'll be shuffling around the White House wondering what day it is while Rome is burning around him and Kamala is too busy bailing out vandals, looters, and arsonists. He should take up the violin (fiddle).

They may admit he is demented later on, if not a majority very soon.  Most people who voted for Biden voted solely for culture war purposes, not policy, so they don't even necessarily agree with Biden on policy and are probably willing to criticize him.  I could see his approval rating getting super low if he is sworn in as president, maybe even around George Bush's historical low numbers, twenty percent approval...

Better yet ,,,,,, as with 0bama , no matter how disastrous anything Biden does might be ,,,,,,,,,,, the MSM will simply report it as " genius " and say it's " saving America " .

I can’t wait to pay $5+ for a gallon of gas

No, they'll use it as an excuse to push Joe aside and pull Kamala up to the presidency slot as soon as possible. 

Tell us more, Nostradamus.  Tell us more.

Trump did that four years ago.