Oh come on. Have a little sense of humour, do you remember 'Spitting Image' they fun of everyone, no big deal, some people poke fun at some people they like, all for a bit of fun.
Asshole-ish people do asshole-ish things.
Unless you're going to write to them or something, it would be a waste of time to worry about those disgusting bunch of bastards.
Let it go since Mad Tv isnt funny or entertaining anymore. More importantly Mad Tv isnt impacting or affecting anyone so let them crack retarded jokes.