These phones record 4K video at 120 frames a second.
They play high intensity video games.
They run on device language models.
People keep their iPhones for years — this power will ensure these phones can run iOS versions 5, 6, even 7 years from now.
And the uArch you’re seeing here will end up re-purposed for big brother M series chips in laptops and desktops.
So what exactly do you want?