I remember that age and lacked no physical affection at that age.
Expecting teachers not to f**k the kids is not too much to ask!
My goodness people.
What the hell?
Well, one should expect the teachers to refrain from this. But I doubt very much that this harms the boys.
The point (or it should be the point) of such rules is to maintain hierarchy, and thus good order and discipline. Its an institutional need, not a personal one.