Yep, it's also why the calls to kick Biden off the ticket have fallen off. The Democrats have just resigned themselves to defeat and would rather Biden eat the blame for it instead of the rabblerousers who get him ousted, who would have egg on their face if Biden's replacement lost to Trump.

Democrat politicians can be well understood when you realize that they are all just individual careerist opportunists with no greater plan or coherent party platform. Sticking one's own neck out to get Biden out is risky and could have downsides, whereas Democrats being in the wilderness campaigning against Trump is easy and risk free. Democrat motto: Keep your head down, get paid, tell everyone they're valid and you hear them