The US Department of Justice and 16 state and district attorneys general accused Apple of operating an illegal monopoly in the smartphone market in a new antitrust lawsuit. The DOJ and states are accusing Apple of driving up prices for consumers and developers at the expense of making users more reliant on its iPhones.
I think the point though is you might be able to connect a Garmin to your iPhone but only Apple Watches get special access to certain APIs because “security”.