You can read up the history here: https://en.wikipedia.org/wiki/Intel#Intel_Inside. Nowadays the considerations aren’t exactly the same anymore as 20-30 years ago, but by some measure Intel CPUs are still the most interoperable x86 CPUs, due to their market share.
I'm not sure this explains anything? It is the story of one successful marketing campaign in the 90s. Intel's reputation in the 2020s is not what it was then.