Christians are taught to distrust atheists. This is what their bible has to say about us:You doubt her honesty because you assume that she is atheist? Do you believe that all non-Christians are less than honest...or only atheist?
 "The fool says in his heart,'There is no God.' They are corrupt, their deeds are vile; there is no one who does good" - Psalm 14:1
 "But the fearful, and unbelieving, and the abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burneth with fire and brimstone." - Revelation 21:8
Do not be yoked together with unbelievers. For what do righteousness and wickedness have in common? Or what fellowship can light have with darkness?- 2 Corinthians 6:14
We are described as corrupt, vile,abominable godless vessels controlled by the most evil force in the universe. They are taught that we are fit to be burned alive forever as the moral equivalent of murderers because not one of us does good. Would you trust that?
Isolation is a staple in cultic technique as well as in abusive relationships, which are essentially just tiny cults of personality.