I suspect it's due to fundamentally different ownership forces acting on the ISAs. ARM may be a good choice now, but it's recently been put into the hands of so

I suspect it's due to fundamentally different ownership forces acting on the ISAs. ARM may be a good choice now, but it's recently been put into the hands of someone who has a stake in the market which buys ARM licenses (Nvidia), and became non-neutral. ISAs change, and there was a recent article written about this particular situation too: https://codasip.com/2020/12/22/does-isa-ownership-matter-a-tale-of-three-isas/ https://codasip.com/2020/12/22/does-isa-ownership-matter-a-t...