There are many shades of grey in relation to insanity. Also, you might want to check on the definition of colloquialism. Never too late to upgrade ones reading comprehension !

A neurosurgeon that can't figure out that a single human cell is not a living human ? Is a loony bird.

A person that can't figure out the difference between having a religious belief, and forcing that belief on others by the age of 60 should not even be allowed to vote never mind electing this dude into office.