Honestly I was happy for him when we saw that he converted and found a happy life with a Jewish woman and had children. It’s sad to me that everyone else got a better life at the end of the special but Cartman goes from being a family man and Rabbi to being drunk and homeless.
It’s probably supposed to be kinda funny and I totally get that he deserves it to a degree, but it still made me sad.
And converts are highly respected, especially rabbis, so you know he worked hard and was sincere.