The start of the Bible explains that God said the priestly family should get the best of all the meat and other offerings plus endless other benefits, powers and exceptions. It's an age old game
Given that the Supreme Court made up facts about this (the ruling said it was just a moment of quiet reflection when in reality it was on the fifty yard line, with literal tv cameras, and pressure for the kids to participate or they might not play. I don’t think it is surprising that movie writers would.
Average Joe is not on Wikipedia or IMDB, so it's either waaaay early, or the film community isn't taking it seriously. I can't find a production company (Typically Pure Flix for Evangelical Christian propaganda flims like the GND series). There's a book on Amazon, and I assume it's related.
It might be worth seeing the case that SCOTUS decided this based on false facts, and the lack of due diligence during discovery is conspicuous. But by now we know the Federalist Society is about securing autocracy with theocratic and corporatist features here in the US.