Why do religions still exist?

However, Abraham’s story is definitely canonical, being one of the lynchpins of the whole narrative, and was so from the very start.

(And yes the more fanciful parts of the Bible were understood to be allegorical by most of established Christianity for centuries. All-or-nothing Literalism rose to prominence only relatively recently.)

Salvation had not come yet but Holy Moses point to his coming.
Job that was about Satan games playing with him.