Dudes like this, they should fire a loaded gun at their head and see if they can pray hard and fast enough to get god to "stop the mother f*cking bullets" (Pulp Fiction reference I couldn't resist).
Perhaps God's aswers to prayers is medical science that saves so many lives?
It reminds me of the movie Leap Of Faith, where Steve Martin is talking to the crippled kid who thinks god will heal him, and Steve Martin says something about as long as he's doing everything he can there's nothing wrong with prayer, but God won't make you better sitting on your ass.