Imagine how the ARM guy has to go around and convince various development, marketing and management fiefdoms built on x86 since day 2 to make an ideological shift to include or even imagine an ARM port.
You realize that Windows NT was originally written for the Intel i860, a RISC chip, don't you?
Politics: A strife of interests masquerading as a contest of principles. The conduct of public affairs for private advantage. -- Ambrose Bierce