"Cheap shot"? I merely stated your beliefs about Mary to illustrate the sort of belief system that can arise out of reliance on extra-Biblical beliefs based on frail human logic.
This is why Jesus chose the Apostles - not because it was something "new" to Judaism, but rather because it would be these men that would carry on his tradition and teachings- in accord with Jewish tradition.
I'm always fascinated to see how God uses the traditions of men to accomplish His will.
are you suggesting, then, that Jesus appointed someone who did not believe Christ's teachings to carry on these very same teachings?
He didn't appoint Judas Iscariot to carry on His teachings. He appointed Judas to betray Him.