I was there when it happened. It's funny now, but it goes to show that "radical inclusivity" has its own costs. Put another way, including everyone actually means excluding some. This wasn't initially obvious, though, in retrospect, it should have been.
I'd like to thank the Geek Feminism movement for really evolving the discussion around that. We all had a lot of growing up to do.
Noisebridge has, in the past half-decade, learned from its mistakes and begun a more structured program of welcoming and introduction. Also, we lock the door at night now (that helps a lot).