The middle 1/3rd are mad that Kamala didn't support the Israel enough, or didn't support Palestine enough, or didn't show up on enough $their_favorite_show.
There is also a substantial portion who just do not care or don't think it matters.
My favorites are the ones who would actually be good folks to get involved and run but just don't because it's setup to fuck over folks like that.
As you said, we're doomed as a country.