Is Yahweh made in man’s image?

If he is, why do nearly all (presumably man-made) religions line up against Christianity on many key doctrines?

Why belief in God casts doubt on all atheistic beliefs

If fundamental and widely-held beliefs are selected by evolution not because they are true, but rather because their falsehood confers a survival advantage, shouldn’t we expect any and all beliefs (including scientific and atheistic ones) to be possibly false in the same way?