[x] Isn't is possible to have your code base compiled soly for AMRv8 and leave the baggage and compatibility behind in one or two revisions. I am guessing Apple may be able to pull this off with a pure ARMv8 advantage.

I continue to hear how MIPS is still technically and architecture better then even the cleaner ARMv8. But they never succeed. So how an ISA succeed depends on a lot of other factors/