I also agree that is the core of the disagreement

Are my behavior, personality, and decision-making based solely on natural events that at the lowest levels I have absolutely no control over? If that were true, I'd be content with it Isn't that why we get offended when someone gets in our face and tries to shove their beliefs down our throat? We aren't content to be force-fed what we perceive to be wrong about who we are and what we should be doing

It's fascinating how differently people think about things when their disagreement is regarding the existence of anything beyond the natural world