You talkin about the south park game that has the scene with a little boy in a strip club giving a grown man a lap dance until he gets an erection?
That south park?
You still haven't explained to me what part of pedophilia is so hilarious.
There's nothing close to that in Rick and Morty.
At most, what you see in Rick and Morty is violence, and Rick's faux indifference to everyone around him, which is all just a facade to hide that fact that he actually does care about the people around him so much that it hurts him.