Incumbency advantage persists. Swapping to a new candidate would likely be worse, even if the candidate is better, purely based on electoralism.

I’m sure many people will be comforted by that when he loses.

Yes, the dems do nothing. This is better than Republicans, who do a lot of bad shit.

Read up on the Ratchet Effect.

What fixes issues is grassroots praxis.

I too, like vague undefined concepts that obfuscate real potential solutions.