Another example would be gaming consoles. The console makers definitely take a cut of all the games that are released on their platform
I also see many people saying that they won't install WhatsApp, and will only use iMessage.
As long as Apple competes directly with its own customers the platform will be unfair.
Yes, because I have no idea why it is so apparently special. I do know that they sell kindles so cheaply because they hope people would be buying books from them.
> Another example would be gaming consoles.
Except those are never marketed as general-purpose pocket computer devices like iPhones are. They are appliances. Getting your hands onto an SDK for a gaming console requires being a company, signing an NDA, and probably committing to lots of other conditions.
In North America which is in a different universe in this regard compared to the rest of the world. Where I'm from, carriers sell SIM cards and that's it. Postpaid plans aren't a thing. You buy your phone separately in an electronics store, for full price. This applies to iPhones as well.