How cults brainwash
Step 7: Doctrine over person.
"As a corollary to the establishment of a “sacred science,” totalistic systems maintain that personal experience does not overrule the 'facts' as explained by the doctrine. As a result, individual critical faculties, and even perception itself, are denied."
Examples are unnecessary with this one.
https://www.cultnews101.com/1992/12/deprogramming-case-study-part-1.html