So you're saying all of the people who believe in the bible are insane because they;
I would say that YECs and those that believe in a literal interpretation of the Creation accounts show willfull ignorance or simple ignorance. Those who are simply ignorant will, over time, learn more and abandon such literal interpretations.
That leaves those who are willfully ignorant. Is that a sign of insanity or simply a sign of stubbornness? I realy don't know. If it's a mental illness then they should be excused for their behavior, but their limitations regarding their ability to analize evidence and make rational decisions should be noted.
In either case they should be kept out of decision making positions where their inability to make rational decisions might cause harm to others. That is no different than saying that a blind man should not drive the bus.
By the way, to refute your previous point about God's vicar on earth accepting evolution, see this;
There is nothing in the link you provided that supports your assertion that the Pope does not support the Theory of Evolution.
Aslan is not a Tame Lion