C'mon! You're being extremely naive. I'll tell you what...if any guy sticks his hand under the stall while I'm using the facilities he's gonna loose the use of that arm!
No comments on Craig, but this whole incident reminded me of something I had forgotten about, from a long time ago.
At age 16, I was in bathroom stall of a department store (doing what bathrooms are intended to be used for). I looked down near my feet, and some guys head (not his hands) was looking up at me from under the divider!
It totally freaked me out and I reacted by lifting my foot and bringing the heel down squarely on the guys nose. I felt his head bounce off the tile floor as I did this. I quickly hustled out of there. I looked back and could see him clearly sprawled out on the floor, with a big smear of blood on the floor. He was moaning as I left.
I was a bit naive at the time, but do recall my friend saying that bathroom was where gays hooked up, according to his mother, who worked at that particular store. I do not recall any "bathroom murders" being reported in the news, so feel comfortable that I didn't leave him permanently damaged.
I never mentioned this to anybody! To this day, I avoid bathroom stalls and will only use a bathroom with a single toilet and a lock on the door. Now I know why!