If I were a supreme being trying to communicate with humanity, I would definitely and purposefully try to force them to engage their brains to understand what I was trying to say.
Most of the worst aspects of religion come when people don't think at all about nuance or that there might be a variety of reasonable views about how to understand a sacred text, or the need to apply it thoughtfully to their own situation. I'd want to make any sacred text I was inspiring as far from clear, modern and unambiguous as possible.
Not to mention, if your aim is to inspire a work that can be usefully read in nomadic farming communities thousands of years ago and also in the AI, VR infused future, you're going to need a certain amount of ambiguity.