Interesting that HN keeps killing threads on this topic: https://news.ycombinator.com/item?id=6360328 A stubborn refusal to confront the problem is what helps these attitudes fester.
I expect this will be voted off too, it already seems to be lower-placed than it ought to be given the number of upvotes. I posted (what I though to be) a very interesting article on Popehat about free speech and the costs contained within a few days ago:
http://www.popehat.com/2013/09/10/speech-and-consequences/
Unfortunately it talked about the Business Insider issue, so was immediately flagged off the front page.