Or, to express it differently: because the Good News does not move my soul - because I do not find it as emotionally true as the Bhagavad-Gita, or as logical as the Law of Mani - it had better be more realistic than these.
But it isn't the history that bothers me. It's the little things, like getting pi wrong, or the exact weight of a talent. If G__ can sweat the small stuff like dietary laws, He can be exacting with His units of measurememt, not sloppy, like those filthy Baalists.
You find the Bhagavad Gita more emotionally true? Krishna telling off whiny Arjuna to go fight because it's his dharma, it's what he was born to do, and because Arjuna is a Kshatriya fighting is simply is duty? Krishna then revealing himself to be infinite and then proving to just be a guy pulling a chariot again, simultaneously (basically a Hindu version of the Transfiguration)? I fail to see what makes the Bhagavad Gita in particular compelling unless you accept the premise of dharma, and I don't see how someone born outside the caste system could find the concept of dharma useful. Arjuna is about as likable a character as Achilles and Krishna is a smug showoff.