His point is that, if you want to know why we call them “laws,” the best answer is that the word previously did not have the association with “rules” as it does today.
Claiming religion influenced is not a factual answer–it is speculation. The only thing we know for sure is how the word was previously used. And “factually” basically means “we know for sure that…”
And you is, well, you. The person I am posting to right now.