I think you have to realize that jokes are most often a formula. He was simply applying the same old jokes to a relevant situation. Its harsh but he was simply doing what all comedians do, try to be relevant.I`m not. When a competent adult does something dispicable his friends shouldn`t stand next to him and say "Ah, that`s just Gil. Don`t mind him he`s always an idiot." Metaphoricly speaking the guy brought hotdogs and marshmallows to a housefire and started yelling "Who`s in the mood for smores?" Takes more than a "Whoops, my bad" to sweep it all under the rug.
Sean