Honestly, Apple has killed backward compatibility multiple times, first from PowerPC to x86-32 and x86-64, and now, killing x86-32 in Catalina. Apple also has

Honestly, Apple has killed backward compatibility multiple times, first from PowerPC to x86-32 and x86-64, and now, killing x86-32 in Catalina. Apple also has a good solution to this problem (the AppStore solves it), and a big interest into locking developers into this solution... So Apple doesn't need to restrict themselves to any hardware vendor when it comes to CPUs, and due to Metal, they don't have to do that either when it comes to GPUs.