Agreed. I doubt it would make much difference to me, my surgeon, or my family if I were to be skewered by a folder vis a vis a fixed blade.

I suppose folders are exempt because nearly everyone carries a SAK, a traditional Case, or something similar (well, except in schools, that is). I just laugh and shake my head, because back in the day, we all carried a small folder - played knife games (splits and mumbley peg) on the playground during recess in middle school. What hardened criminals were were!