In the next decade open hardware will win, any machine that exposes itself to be programmed by its user will be infinitely better than a machine that doesn't.
From keyboards to phones to tractors.
The appstore will die, and the walled gardens will die.
Unless they use 'for the children' to make open machines illegal.
Most people don't care. Microsoft themselves are even moving Windows towards a more closed model. Apple's in the same camp. If you don't use their official magical stores or get something that has a certificate validating who actually compiled the code, all the sudden you're using scary binaries that might do weird things to your box.
The six or seven percent of us that know how to use Linux will complain, but eventually I can even imagine bootloaders being locked down so much that you need to spend significantly more to buy a computer that actually lets you install what you want.