Mind if I ask what you allow on your systems, today? Or the last time you worked in IT?
(Not clear if you moved away from it or not)
(Not clear if you moved away from it or not)
Also, I believe the word you're looking for is purism. I'll certainly go along with that.
Also also, out of curiosity, where did you dredge up the "he"?
But again, what did you "allow" on the systems you managed back in the day?