Crazy Belief Systems

Merriam Webster
adjective. cra·zy \ˈkrā-zē\ noun. be·lief \bə-ˈlēf\ noun. pl. sys·tem \ˈsis-təm\
Full of cracks or flaws. A feeling of being sure that someone or something exists or that something is true. An organized set of doctrines, ideas, or principles usually intended to explain the arrangement or working of a whole.

Urban Dictionary
Scientology.