Hm, usually I would rail against all these people calling him sexist..
But he kinda is, she is a pretty decent actor, last I checked that's somewhat more impressive than some game journalist I've never heard of.
The dude is a dick, he shouldn't have lost his job over it though, it isn't even tangibly related to his job, on his private twitter account. That said, people are expected to act the part, not run around demanding people explain themselves, when said individual has no arguable merits of their own worth explaining in the first place.
tldr: Guys a dick, deserved it.
Off topic: What the fuck captcha, it asks me "What is math" gives me a drop down list with crap like "cabbage" and an algebra equation, I pick the equation, it's wrong. WHAT.