Strikes me kind of like the old Alfred E. Newman of Mad Magazine fame saying....."What? Me worry?"
It just isn't prudent NOT to have a scatter shield. For the few bucks it costs, it sure beats the hell out of the alternatives. Frankly any one who doesn't use one in their performance car is plumb nuts IMHO...
Like MrFixit, I've been around for a while and I've seen the aftermath too. It ain't purty folks.
Al