They DO have a much bigger footprint in some desirable segments of that market, but overall they're a minority player. By definition, minority players do not enjoy any monopolistic power. They are under no obligation to give up any competitive advantage until and unless they exhibit true, market-manipulating monopolistic behavior.
Most people I know are brand agnostic but platform loyal. Google could have captured half of all English speaking countries and 85% globally if not for their incompetence. They still could since here we are complaining about Google’s messaging apps.
Yes, Apple has a bigger market share than ONE Android handset maker. But if you compare by platform, iOS is, in the US, more or less even with Android. Globally, it remains a small minority.
47% of a market is NOT a dominant position. It's a GOOD position, but it's not strong enough to control the market in ways that typically produce antitrust interest.
Though, to be fair I can see how that could be confusing (because English).
iOS is a minority player in the mobile phone market by a wide margin globally, and by a small margin in the US.
End of.
Major Player: an important and successful company, especially when compared with other, smaller companies in the same type of business or industry. Source https://dictionary.cambridge.org/dictionary/english/major-pl...
Ergo, the vast majority of people would agree that Apple is a "major player" in the phone industry despite having a "minority marketshare".
PS. There's nothing wrong with the point you're making, I'm only pointing out that its confusing to others because of the terminology you're using.