Think of all the things that we forget over the course of 1000 years.
Then think of the fidelity and consistency of orthodox Christian doctrine over that same period of time.
It’s quite remarkable.
At the very least, it is most obviously not a cultural phenomenon. Because those get discarded quite quickly.
God is not a Ninja Turtle.
Amen
I was about to make a comment but I forgot what I was going to say.