"Give (it) up to a higher power."
Please help some of our Christian brothers in here wake up and realize they're part of an authoritarian death cult. This should be the first conspiracy they learn about before moving on to advanced theory like vaccines and what shape the earth is.
If you can't figure out you're being manipulated and lied to in an effort to confiscate 10% + of your income, please take a moment to understand that God doesn't need you money and none of it goes to help those who truly need it.
Control of the narrative.
The same reason Christians may have destroyed what remained of the Library of Alexandria.
https://www.historyofinformation.com/detail.php?entryid=3141
That's an excellent question that I doubt we will ever know the answer to.
Either way, they certainly didn't want people to discover it's contents.