Microsoft nearly got broken up for a much weaker version of this sort of rule.

The only market Apple has a dominant market position in is Apple phones. In the US and many of the other richest countries, Apple is like Pepsi in terms of market share; in the rest of the world it's more like Dr. Pepper.

(Yes, I know this is the Jolt Cola of analogies, I will stick to cars in the future.)

https://www.statista.com/statistics/225464/market-share-of-l...

Well, it's a shame then. They were doing nothing wrong