This point has been rehashed by historians pretty endlessly already, and the general consensus seems to be that while most Nazis may not have been directly aware of the full horror perpetrated by their regime, their culpability can be fairly compared to "will no one rid me of this turbulent priest?" You don't have to scratch your head too hard wondering how an ideology based on hatred and persecution turned into genocide. Or why it keeps happening in the world today, just the names of the groups change.
Systems of law based on thoughtcrime get ugly, since there's no way to prove thoughtcrime except torture, fear, and arbitrary violence. See: the Inquisition, any communist state in the 20th century, anywhere in the world that Sharia law is enforced.
Systems of law based on thoughtcrime get ugly, since there's no way to prove thoughtcrime except torture, fear, and arbitrary violence. See: the Inquisition, any communist state in the 20th century, anywhere in the world that Sharia law is enforced.