> there are standard interfaces new companies can develop for. Not so much in x86/x86_64 though. This ISA is a minefield of patents if you want to do anything

> there are standard interfaces new companies can develop for. Not so much in x86/x86_64 though. This ISA is a minefield of patents if you want to do anything state-of-the-art. AMD and Intel have mutual licencing agreements with each other, which prevents any upstarts from competing with them. Any competitors will have to license ARM or invest into RISC-V.