They are terrifyingly weird, but they don't fit the definition of a
cult. MAGAs behave like they are in a cult, but they are doing the mind control to themselves.
MAGA actually does fit the description of a cult. The Cult evaluation frame identifies 18 factors common to cults and organizations can be rated on a 1-10 scale for how much they adhere to the factors leading to a total score.
Cult factors MAGA scores significantly high in:
External Control: Amount of external political and social influence desired or obtained; emphasis on directing political and social behavior.
Wisdom/Knowledge Claimed by leader(s); amount of infallibility declared or implied about decisions
Wisdom/Knowledge Credited to leader(s) by members; amount of trust in decisions made by leader(s); amount of hostility by members towards internal or external critics and/or towards verification efforts.
Dogma: Rigidity of reality concepts taught; amount of doctrinal inflexibility or “fundamentalism;” hostility towards relativism and situationalism.
Wealth: Amount of money and/or property desired or obtained by group; emphasis on members’ donations; economic lifestyle of leader(s) compared to ordinary members.
Sexual Manipulation amount of control desired or exercised over sexuality of members in terms of sexual orientation, behavior,
Violence: Amount of approval when used by or for the group, its doctrines or leader(s).
Paranoia: Amount of fear concerning real or imagined enemies; exaggeration of perceived power of opponents; prevalence of conspiracy theories.
Hypocrisy: amount of approval for actions which the group officially considers immoral or unethical, when done by or for the group, its doctrines or leader(s); willingness to violate the group’s declared principles for political, psychological, social, economic, military, or other gain.