re: I really think fundy influence is declining
I hope you're right, and maybe you are.
Something that got lost in the fun is that the perpetrator had a guilty conscience and turned himself in. Realized it was a "sin", in fact, which knocks the legs out from under any rationalizations about fighting sin. That he specifically felt that he'd sinned by going on a crusade against sin suggests a fairly sophisticated faculty for moral judgment (a second-degree abstraction), and may well reflect the beliefs of his sect. If he'd felt like his sect supported such things he'd have been unlikely to turn himself in. So maybe this is a "fundy" sect that we don't need to worry about.
That's my ray of sunshine for today...