Go have a read of the chat logs. Anonymous kindly published the entire, uncensored log just in case you think that the quotes are cherry picked.
It's clear what GamerGate was now. A small group of people on 4chan, and later 8chan, organising a campaign based on hatred of women. They are quite explicit about that when they think no-one else is listening. All the things they accuse their victims of are the things they themselves were doing. False flag operations, doxxing, sock puppet accounts, attempts to manipulate the media.
It's all there, go read it for yourself.