I think that would make it less strange or unacceptable for a ban to occur.
Most of the time, the argument for a ban is that the animal poses a threat to the natural ecosystem rather than the people (although there are arguments for it--but then, we'd have to ban every dangerous object if that were the case) but they won't have that problem with winter temperatures reaching the 40s and 30s.
To me, it's a political move, with all the media the reptile community has been garnering. A jump on the band-wagon so to speak. SC has bigger issues to worry about than reptiles right now--every state does (except maybe Florida.)
On another note, people come up with some really weird laws sometimes.
One state doesn't allow you to tie a giraffe to a lamp-post, another doesn't let you tie an alligator to a fire hydrant. (or maybe they're the same state -_-??)
Political moves? (or someone trying to be funny...)