hell no it wasn't inappropriate. He is a comedian first and foremost which the UFC was well aware of before they hired him. He will say things to piss people off from time to time but that's expected. To muffle it would be a shame. Not a PC guy at all.
"Let them see that their words can cut you, and you'll never be free of the mockery. If they want to give you a name, take it, make it your own. Then they can't hurt you with it anymore." - Tyrion Lannister