Now that spanking is illegal check out this landmark (go to your room) case

[derrida]

Kahl, that's just dumb. Having a fucked up loco kid isn't an excuse for coming up with some roll-your-own psychiatric treatment.

Also, "mental harm" is defined in penal codes as altering mental functioning. I guess you'd be welcome to try to argue in a court that a kid having to choose between two separate moral codes is traumatic, but the instillation of the deviant morality itself isn't gonna fuck with the kid's mental faculties.