I did not see the SNL in question, I did read the supposed offensive quote.
Interestingly, this is not new. The 70’s TV program “Mary Hartman, Mary Hartman” had a character (I forget the name) who played the wife of the mediocre Western singer, (or she was the singer, whatever), the husband was played by Dabney Coleman. Anyway, she said almost verbatim the line in the SNL skit, something like (imagine a hillbilly speaking 
“The Jews were the people what killed our lord!”
MH, MH was a somewhat popular satire, spoof, at the time, not completely unknown. Of course, there was never any controversy then, and nobody would have ever conceived of being offended – it was a spoof, a joke, the point being to EXPOSE and RIDICULE intolerance by poking fun! Who was it that said that humor was a difficult concept for some people?
(SNL should at the least acknowledge credit where it is due – MH, MH “been there, done that” already.)
This type of PC controversy is a unique product of our times, and sadly, this type of intolerance and forced censorship will only grow into the permanent future. We are doomed to live in an inoffensive, sterile, scripted, straight-jacketed future, our thoughts and words always under scrutiny. What we will be allowed to think and say will be narrowly defined, and we’ll all have a half-witted smile frozen on our faces in this brave, new world.