Having a narrow product line helped Apple a lot. Similarly being able to deprecate things faster than business-oriented Microsoft. Apple also controls silicon implementation. So they could design hardware features that enabled low to zero overhead x86 emulation. All in all Rosetta 2 was a pretty good implementation.

Microsoft is trying to retain binary compatibility across architectures with ARM64EC stuff which is intriguing and horrifying. They, however, didn't put any effort into ensuring Qualcomm is implementing the hardware side well. Unlike Apple, Qualcomm has no experience in making good desktop systems and it shows.

> Apple also controls silicon implementation.

People sometimes say that as if came without foresight or cost or other complexities in their business.

No, in the end they are hyper strategic and it pays off.