One good reason to not use Apple’s software offerings is to be able to keep eggs in more than one basket. Treat Apple like the hardware seller they should be? They’re below average at best at software anyway. Other than the upper layer polish.
Apple is famously a forerunner of personal computing. They invented most of the mobile UI design language used today. Every OS they’ve built is extremely premium. Their natural language processing is best-in-class.
How are they possibly “below average at best”