Transgenderist cultists, for example, require total obedience to their dogma.
Any deviation from the party line, whatever it may be at any given moment, is punished with instant excommunication and condemnation.
In return, the faithful are offered full freedom from all moral restraints. They are the elect and can do no wrong.
Salvation is by faith, ideological purity guarantees perfect righteousness.
For many people, this is an attractive trade.