Windows still has 87% market share on desktop and laptop web browsing statistics. It was higher at the time that trial took place, and cell phone web browsing wasn't as popular back then. iOS still has less than half of the smartphone market.
p.s. Right to Repair laws ought to make it illegal for Apple to prevent users from installing third-party software on the iPhone. This talk of them being some sort of "monopoly" is totally irrelevant.