Of course, even if we assume that Craig is correct in his argument (which he isn't), it still does nothing to prove that God is a Christian God.
And ichi, what makes you think that emirical data cannot be used to explain everything in the universe? What types of things are beyond empirical data, if any? What if we are simply not intelligent enough to put everything in scientific terms? But that doesn't mean it cannot be done.
metaphysical subjects are human constructs of the brain. The physical study of which is neurology, or psychology, which could potentially explain why and how we come up with such ridiculous things.
Indeed. I've thought about this many times. Science can explain why people think of something as a "gift". Whether or not it is actually a gift is nonsensical because there is no universal basis for determining this. It's simply a thought held by humans.