If we make some laws that say they do then yeah they will have to.

And Tesla? Will they also have to allow third parties to “upgrade” their cars since many of the additional features are software controlled? Why stop there? Kindles? Roku sticks? WebOS TVs? TiVo’s? Cable boxes?

You make that sound bad? People have historically upgraded and modified their cars, their computers, their electronics, and their homes.

We already have such laws for automobiles -

https://apb-law.com/understanding-magnuson-moss-act-relates-...

I think if any of those had paid app stores with extortionate rates charged to developers, then yes - there is a pro-consumer argument to be made in favor of allowing third party applications from other sources.

Roku in fact does extort streaming services providers and they have to make rev share deals just to be on their platform - except for Netflix.

Streaming services can be on iOS platforms without giving Apple a dime.

this sounds amazing - I want that