Guess they should just do nothing then? Diversity in buisness is important. And Google has a whole pie from which apple can steal a big chunk of. Simply set apple search to be the default on safari and you immediately have a huge chuck of the market.
not in a premium business. in fact diversity may be a bad thing there, as evidenced by the highly limited number of apple computer models. I don't think they want to become the next Samsung
It's not just software -- it's services of a wide variety of types. I.e. Apple TV+ is not software. Having your own search engine allows you to integrate with services more tightly and enhance that business.