It's not as good as Rosetta 2 was, but its still pretty good.
Problem is not everything runs through emulation though. There's still a lot of edge cases for super old enterprise crap.
When I read it, the first thing I thought of is the NSA program named PRISM.
Anyway, I was curious so I googled for differences between the Apple and Microsoft programs and Apple included x86 translation circuitry on their CPU. I wonder why Microsoft didn't do the same?