Companies don't just "abandon" $20B/year businesses, and it will sure take a lot more than a "few years" for that to decline to make a comparison to iPhone's in

Companies don't just "abandon" $20B/year businesses, and it will sure take a lot more than a "few years" for that to decline to make a comparison to iPhone's inevitable cannibalization of the iPod. Additionally, they see iOS devices and Macs as completely distinct, thus not merging them into one like the Surface attempts. Your theories… are pretty much ludicrous.