>Designing the hardware does not entitle you to extracting more money from anything.

But they can work together with 3p to expand the capabilities of the device and incentivize it with revenue sharing agreements.

>how dare you not pay them 30% of every purchase you make online ?

It's somewhat strange but payments have been taken up by other vendors like stripe. If payments were built into the browser it would make commerce easier and would allow them to take a percentage.

>and ask yourself why noone uses them for games delivery

Because being able to distribute to a store billions of people already visit is valuable.