> I mean, they made an entirely new architecture just to keep their vertical integration running.
No, they went for running with their own silicon because Intel couldn't be arsed to provide them with actually power-efficient, performant and new CPUs and they were locked in to AMD for GPUs (because that is something Apple doesn't like).
It speaks volumes about just how badly Intel (and AMD) were stuck in the past when Apple blew them to pieces with the M1 performance.