Part 2: Hey Biden's just old and a bad candidate, I'm just trying to help the "Dems" find a better one because I love them so much and I care about beating Trump
Part 3: I'm ONLY talking about the PRIMARY I'm trying to HELP
Imagine thinking voting for the lesser evil for four years so you are better equipped for a better candidate to exist later— or so that you can forestall the end of democracy a bit longer one way or another— is not worth it.
(a) it is the nature of social media that emotionally engaging bullshit (both sides are the same I'm so clever mehehehehe) is more fun to post than boring well-reasoned truth
(b) a lot of them don't "think" it, as much as they are strategically posting it in the hopes that other people will start to think it