One key to the formation of cults, is the control of information: instead of group decisions being arrived upon by informed discussion, there are ideas which are allowed and others which are not. Maybe the ideas are good (like "brush your teeth") but the enforcement is totally irrational and over the top (like "Sister Emily didn't brush her teeth, so no one will speak to her for 3 days"). This is because these ideas are beyond question so anyone who disagrees with them must be evil.

Sound familiar?