There it is. We all apparently go by different books and even dictionaries.Cult
1.
a. A religion or religious sect generally considered to be extremist or false, with its followers often living in an unconventional manner under the guidance of an authoritarian, charismatic leader.
b. The followers of such a religion or sect.
I go by the dictionary.
Try also reading the last sentence of my comment.
"Using "Secret Science" to enact a regulation is like using "secret evidence" to convict someone of a felony crime."
A pretty good one is Merriam-Webster that I use periodically and here is 2 from M-W:
I would never debate religion but the definition of cult as it applies to worship and formal religions, all religions are cults. I don't care. I just want my Elio as a member of the Elio cult.