I hate asking redundant questions, but, what the heck, I'll do it anyway.
I'm puzzled by the assertion that felons would be allowed to carry guns. It is possible that a small difference exists between the disqualifications for possession of a gun in SC and for getting a CWP. If so, why?
If you cannot trust a felon to carry a gun, how can you possibly trust him to possess one? This is a dumb argument. Either you can trust felons or you cannot.
People with mental problems pass background checks all the time. What makes anyone think that a person who has a mental problem, passes a background check to purchase a gun, takes a silly little course, and gets a CWP is any less dangerous than a mental case that doesn't do all that?
In other States, one may purchase a gun, load it, stick it into a holster and carry it around in the open, scaring nuns and children, without any government training or permission. No chaos has been recorded in those states.