having had a parent who took pleasure in physical abuse, i had a pretty intense reaction to watching that. if i knew who that guy was, he'd no longer have a head, consequences be damned.
what if you deserved it, and he actually took pleasure in knowing that some day you'd be molded into a functioning member of society. by the looks of it he seemed to fail in that regard, so its a moot point but...
your answer to physical violence is... more violence.