No, but I could point to many other mainstream accepted comedians who get TV shows and are part of the "establishment" who have made jokes which mention the hol

No, but I could point to many other mainstream accepted comedians who get TV shows and are part of the "establishment" who have made jokes which mention the holocaust, and a range of other taboo topics. Heck if you want one example just look up Jimmy Carr. He has even made a joke out of the offensiveness of the jokes he tells.