It would certainly make me think more in depth about it. There's still a possibility that he's a con man wizard. If he tells people that "God allows me to do this", it's a lot more palatable for people to believe and it doesn't give away the fact that kind of power is possible for others.
...I knew this 45 year old guy, goes by the name of Uncle Slappy, used to hang out on the corner of 56th and Rucker...
-SArmstr0ng