Says you. Who gets to decide what’s literal and what’s allegory? Society? Seriously, this is the very definition of Humanism which is the essence of Marxism.
God gave us a brain to identify allegory as we gain a greater understanding of the natural universe. He’d be very disappointed if we didn’t use that brain.
A question for you: Is the bible exhaustive? That is, does it include everything that happened in ancient times?
Liberals always operate under the misguided assumption that someone somehow appointed them the gate-keepers of what is or isn't science; so it comes as no surprise that they and they alone think they have the keys and unique understanding of what is or isn't allegorical in the Bible.