As a man in tech I still had the same reaction. At best it just screams amature hour. At worst it is downright misogynistic. Frankly, to me it comes off a little of both.
The only redeeming thing here is that quote wasn't made by the GNUstep maintainers but from the comments section on the blog. However the GNUstep maintainers should have known better than to include said quote on their homepage.