And then there's the cunts at Kiwi Farms.com

Nah, Kiwifarms will only defend themselves by saying the people brought it on themselves by being "lolcows."

Twittermobs on the other hand will defend it as cancelling problematic individuals which is why I think this is aimed at them.

Is there actually any difference? No, not really. But the word choice does at least give hints as to who is being talked about.