It's not a proof, it's an article written on the subject which makes the same assumptions as you do.
Ah, the New York Times. That rag which just makes things up and can never be trusted for anything. Suuuuuure. If you're not willing to accept that as evidence, then I doubt you'll accept anything.
i don't think you know what evidence is.
no matter how deeply you or I may respect the author, he doesn't seem to have any evidence for your claim, either.
Uh people threatening Sarkeezian are not #GamerGate. That's what #GamerGate is all about - it's silly to generalize from some anonymous psychopaths to millions of gamers.