Based on a few of these definitions, we're all part of a cult.
Definition of cult
1:
formal religious veneration; worship
2:
a system of religious beliefs and ritual; also its body of adherents •the cult of Apollo
3: a religion regarded as unorthodox or spurious (see spurious 2); also its body of adherents •the voodoo cult •a satanic cult
4: a system for the cure of disease based on dogma set forth by its promulgator •health cults
5a:
great devotion to a person, idea, object, movement, or work (as a film or book) •criticizing how the media promotes the cult of celebrity; especially such devotion regarded as a literary or intellectual fad
b: the object of such devotion
c: a usually small group of people characterized by such devotion •the singer's cult of fans •The film has a cult following.