Yes I started getting recommended videos of that stuff on YT a few months back. I think it was probably that they keep using The Smiths and other postpunk music.
Slavic people seem to relate a lot to this stuff:
Lowering the pitch is a bit of a half assed remix thing though.
I'm actually a bit too old for the main demographic though I have seen 'late 20s doomer' as well floating around.
I don't think it really incorporates redpill seems more blackpill.