I was going to mention this. However, I think it is also important to there is a preconception in society that Rape is somehow a worse crime than Murder, perhaps because it is seen as an attack on a woman personally and it, like paedophilia, goes against our baser instincts of protecting our species (and families) by protecting our young and their mothers.
This is basically summing my "sensible" opinion up on the matter.
Whilst some people can very easily split up real world and game chat into 2 distinct areas, when your sat on a bus listening to school kids talking about raping each other it does get a bit odd.