Many, if not most, people at c99p are fed up with the Identity Politics (IP) hijacking of the Democratic Party. Here is an article that succinctly lays out what is wrong with IP and what the worldview of the downwardly-mobile white working class (WWC) is:

Class Dismissed: Identity Politics Without The Identity

The narrative from liberal blogs and pundits is that poor, white-trash rednecks turned out in huge numbers to elect Donald Trump because they are stupid, or racist, or both racist and stupid.
The reality is that this narrative is not only wrong, but shows a distinct richsplaining class bias.

There is also the narrative that millennials are also responsible because they didn't get a pony, but that's for another day.