Do you believe that cults start, when loyal people, don't realize they're being used/abused?

I think it's directly the correlation, of a cult. Some leader, thinks he can control people, because he thinks they're loyal to him, and they can "do no wrong', only to then realize, they're being abused, and used. Like with Jim Jones

Do you believe that cults start, when loyal people, don't realize they're being used/abused?
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