Yes. I would. If my mother somehow became a focus of magical, superstitious beliefs, then I would certainly want those beliefs satirized and thereby deflated. (I'm not talking about serious Catholic views here, even including Mariology. I'm talking about facile, "quick fix" views, for example that "faith healing" can be achieved by touching sacred objects, which is what the episode was in fact addressing.)
I am just as annoyed as you are when people make outlandish claims, but people were doing what you say, the Virgin Mary wasn't.
I'm not a Catholic. I was raised not to respect Catholacism, but this is insulting not only to their beliefs but to Christians at large.
For the record, I don't attend church and haven't in decades.
I don't deify Mary, but I do respect the mother of Christ.
To portray such a thing to make a point is a poor way to make a point. The point could have just as easily have been made by showing one of those 'cross in a window' things and showing how idiotic people are with regard to them.
Thanks for the comments.