Because there's no such thing as too many alignment threads.

[GoC]

So, non-damaging torture, psychologic torture and abuse, theft, property invasion, spreading rumors, and all kind of non-hurting actions would be allowed?

I'd say those hurt, just not physicaly.

Like, someone slaps me, and I punch the daylights outta him, claiming that he hit me in a considerable sensitive area, like a wound in my arm, so my forceful punch is equal?

The judge is apparently omniscient.