The fact Apple is not trying to be a tentacular behemoth syphoning profits in every enterprise environment does not invalidate the fact macOS is secure and performant.
Apple is a tentacular behemoth in the consumer space.
Not a single statement you purport as "fact" has been true cross large scale deployments in my experience. Especially the first part which tells me you have not experienced working with them as a supplier. I think you mean in your opinion or experience, but please don't attribute wishful thinking to factual statements. It derails objectivity and discussions.