I've seen lots of this stuff in the American press so I 'm not sure who is writing him. My guess: it's not the public but a band of fundies. They'll protest anything.

I have one qualm with the cartoon guy though. if you're going to lampoon a religion, at least learn a little about that religion, because otherwise you look like a dunce.

The Immaculate Conception does not refer to the conception of Jesus in Mary's womb. Besides, Jesus had a brother, James.