I think we are missing the underlying message here. If there is a God, he/she/it obviously doesn't care about football or Tebow would have been endowed with a better arm...and perhaps talent. But hey, he makes more than me. If it takes a little bowing every now and again to bank millions of dollars, I'd do it too.
As for the question of mockery, yes, it is absolutely mocking his faith. But, the days of the Crusades and Inquisition are long gone so they can feel fre to make fun of it all they want. No one is going to get thrown into an Iron Maiden.