Whenever I see this I wonder if getting sued for age, sex, or racial discrimination, and losing, does fit in with the company's "culture". That can be expensive. Very.
http://www.dailynews.com/general-news/20140227/66-year-old-m...
Note that insulting "jokes" were a factor.
I once had a boss who didn't want to hire someone who had fought in Vietnam. Said boss had escaped the draft by being in college (and from a rich family). I was pretty shocked that he would say it out loud, especially by how much he considered himself super-progressive.