Like I said, I don't like dealing with security, but I don't project this dislike on the screeners. I think that's the difference between my personal experiences, and those on this thread that think the TSA people are a couple of rungs lower on the evolutionary ladder.
I suspect some of the posters have chips the size of redwoods as they go thru the lines, and bring it on themselves.
It is like when you get stopped by a cop...saying, “Pulled yourself away from your donuts long enough to harass an innocent taxpayer, eh?” tends to bring out the worst in people.