Yes the karma system here is way better! It definitely reduces the hive mind mentality.
I don't think we need any kind of algorithm though. That would only serve to make the popular stuff more popular and the niche stuff gets buried. Maybe if I could personally filter out communities that I'm not interested in?
Yeah, they changed too much unnecessarily whilst keeping the rest of the game identical. The addition of first person shooting really broke it in some ways because the original game wasn't designed that way. I think they'd need to redesign it from the ground up to make the more modern mechanics work properly. Something like RE2 Remake.