I guess you have never had one of them try to take advantage of you. That was the major problem for service men thumbing for a ride in the 1940’s. Hell, I had a full col get me drunk ahd tried to sodomize me. Fortunately I was not passed out when he tried.
In scouting, this was one major problem with them trying to be adult leaders of young boys.
Sorry they are unusual, not normal....
Well...I'm sure Joe the Plumber will protect you.