Not necessarily a bad thing if they can make the prices lower, if most people end up buying cheaper but adequate hardware developers will have an incentive to make their games work with that hardware. We have seen what games with NVidia partnerships ended up with in terms of bugs with ATI GPUs but aren’t those problems less severe now?
Current consoles use x86_64 and Vulkan/DirectX don’t they?
The Switch is ARM so not terribly exotic.