A poet might say that the universe is exquisitely tuned, almost as if to accommodate us

A believing scientist could concur with Jeremiah about the stability of the universal physical constants.

This is what the LORD says: If I have not established my covenant with the day and the night and the fixed laws of heaven and earth…
Jeremiah 33:25

The unbeliever has no foundational, principial reason to understand why they are constant and not changing, merely experience… they just are.