Morality is almost always easy to determine. Was there harm created? Was there well-being created? How do they balance? Which sentient is responsible makes no difference.
I feel very lucky because my upbringing was entirely secular. I didn't have to come to terms with the difference between what a religion taught and what was actually happening. I was already okay with everything how it is.
As an adult, I have experienced no down sides to non-belief and many...
I'm guessing it was an attempt by early humans to explain to themselves why they were clothed. We can understand that humans needed protection from the elements, and pockets, and adornment for mating, etc. and so evolved a propensity to be concerned with attire. But they didn't know about...