No offense intended, but that's a load of ****. An apology doesn't excuse all behaviour.
*edit* I could use hyperbole to further make my point, but just because someone apologizes for being a jerk or being purposefully offensive doesn't make their actions okay. Typing takes more effort than speaking, think before you type some rude bidness.
If I say "Damn man those guys *****d your **** up!"
I might be used to talking like that with the people i usually group with, so I may not consider that other folks would call it offensive. I try really hard to give the benefit of the doubt, if you're uncomfortable just ask them nicely if they can tone it down. We can't assume someone will consider their audience when speaking in regular gameplay. Obviously if they target you, that's another story