The thing that landed Google in hot water was that they licensed Android to multiple vendors and then used anticompetitive shenanigans to control the marketplace. Look at XBox and Windows at Microsoft. XBox is a walled garden and you can't create a game for it without Microsoft's permission and giving Microsoft a cut. There have been zero legal repercussions for this. Windows is licensed to multiple vendors and Micro…
Xbox, PlayStation, and Nintendo sometimes lose money on hardware sales. Operating system venders never lose money on software sales because software costs nothing to reproduce (they can still lose money but the loses do not increase as sales increase). I do not know anti-trust law but I think the difference in business models should be acknowledged.
I know you’re probably trying to focus specifically on cost to provide the software and not the cost before that (which I’d argue is flawed) but you’re also then missing out on the support cost etc… from there on out.