Southpark does rude things like this this to many good things, and many bad things, too. Been doing rude things to Jesus for years. Consider the source.
I don't watch it.
Heh... not really! Jesus saved Santa from Muslim terrorists and saved Christmas! :~D and that's why we think of him every year at Christmas! He's a hero
They're not making fun of Mary in this latest episode... they're making fun of people who think they're cured by anything coming out of a statue.