Well, I am not an Apple devotee, and I think that what you say is generally right. But Apple releasing M1 laptops kind of changed the game...
I think the next major OS innovation will come from a company focused on architecture, design, and software efficiency over computing resources and device size.
https://cdn.redmondpie.com/wp-content/uploads/2019/01/phones...
https://cdn.osxdaily.com/wp-content/uploads/2011/08/tablets-...