I am sure there are instances I have forgotten, there is definitely a certain amount of bigotry, it’s not hard to find classism, sexism, and ableism as usual for the internet and I am sure I have come across racism too but I don’t remember any specifics.
EndeavourOS, Simply Arch with an installer, has KDE as an option for DE.
I use it, I love it. Arch is great. EOS just cuts out the first few hours/days of set up.