You're taking the standards of a debate hall, applying them to an internet community, and then using the predictable and inevitable discrepancy to call the internet community hateful when, in fact, that's the normal level of discourse for _any_ internet community.
> I really don't see how this stance is hypocritical
Do you excuse the other side's casual use of "kill all men"? What about explicit statements that I am literally unqualified to hold an opinion because of my chromosomal makeup and the color of my skin? Those come across as equally hateful to me.