Religion as a mental illness

[Cephus]

Which is really the same thing.  The only real worthwhile standard is accepting reality as it really is, not as you wish it was.  There either are gods or there are not gods. What society thinks on the matter is entirely irrelevant to what actually is true.  If people are not willing to accept what is true in the real world, or at least what is best supported, then what's the point?  We might as well be believing in magical unicorns and leprechauns.

Then you and I will have different standards on what is considered mental illness and what is acceptable in society. The vast majority of the god delusion people I am not willing to categorize as mentally ill, neither is our society.

Clearly we do, but when differences exist, the rational solution is to actually justify your position with more than an opinion.  How can people who believe in things that do not demonstrably exist, who talk to things that aren't actually there, not be mentally ill?