Glad I’m among the 20%.
Cut and run was never my style. Joe has had my back for decades, now I will have his.

This is all ver nice, even admirable, but ultimately destructive.

Biden is already behind in 5 of the 7 swing states. With this debate performance there is no way to climb out of this hole. Democrats are, quite obviously, crestfallen and despondent, so “getting out the vote” will be even harder than usual. Oh, and Democratic donors are unlikely to come forward with their buckets of cash, so that back room organizing will suffer.

Major Democratic Donors Ask Themselves: What to Do About Biden?
Some floated interventions and wondered about how to reach Jill Biden. Others hoped the president would bow out of the race on his own.
nytimes.com - Biden donors democrats

Now we come to the so-called “undecided”. The Times, before the debate, identified 6. After the debate they asked what they thought. You should not be surprised to find that all 6 have moved, either a little or a lot, and it wasn’t in Biden’s direction.

There is an admirable quality in supporting your man, but this is politics, and “going down with the ship” is not a coherent strategy, especially with the prospect of what the other guy offers.