[dahfizz]

That's a pretty bad example.

There is a technical / physical aspect to interoperability. If you want to swap your engine, the new engine needs to fit and mate up with your transmission (though, this is easier than you might think). If you want to run an app on your phone, it needs to be in a format the OS can use.

Then there is an extra, unnecessary, layer of political control. I absolutely can, with a bit of work, swap in a Chevy LS engine into a Ford F150. I don't have to ask Ford's permission. Chevy doesn't have to ask Fords permission. I, as a person with free will, can buy this engine and that car and combine them.

Apple totally prevents this. They do not allow you to do what you want with the device you own. For good or bad, they absolutely operate differently than other industries. At least from the consumers perspective.