The best reason I can think of is aesthetic: x86 is the ugliest (extant?) ISA. Nobody wants to read, write, or think about x86 assembly. Most RISCs are easy an

The best reason I can think of is aesthetic: x86 is the ugliest (extant?) ISA. Nobody wants to read, write, or think about x86 assembly. Most RISCs are easy and enjoyable to read, reason about, and write by hand.