"The heavens declare the glory of God; and the firmament sheweth his handywork. Day unto day uttereth speech, and night unto night sheweth knowledge. There is no speech nor language, where their voice is not heard. Their line is gone out through all the earth, and their words to the end of the world...."
Who is deluded?
Those who would deny that the faith into which individuals are indoctrinated as youths, overwhelmingly determine the faith that they practice as adults.
That's who.