Why hasn't religious belief been declared a mental illness?
Crying over dissatisfying a book character
Thinking a book is truth because it says it in the book
Judging others and preventing equal rights because of that book character
Worshipping a mysterious being who killed millions and sent his son to die
Thinking a cracker and wine become a man who died 2000 years ago when a man in a dress says abra cadabra (for many)
Believing in things with literally zero evidence and that defy scientific laws