DHH himself famously defended raunchy technical presentations like the CouchDB porn one, and also wrote about not wanting to censor himself to blend in:
http://archive.ph/2013.06.25-012232/http://david.heinemeierh...
Back in the day when you forked a repo on Github, it said "intense forking action". Sometimes people don't TRY to be offensive, they just want to be funny. Mix in immaturity and stir. But, given my example, should we never ever use Github again?