And a good 90% of what you just listed support exactly ONE version, put on at the factory, and no other. If you call that "support" then a casio calc watch from the 80s must be a wearable computer to you. BTW why didn't you include TiVo in your list? After all they meet the criteria, just as locked down as TV and appliances yet runs a Linux kernel?
As for TFA...Yo, Shuttleworth? Yeah MSFT was the one that followed your moronic idea, NOT APPLE and look what it got them, flops bigger than winME and Vista put together. If you are so much into "innovation" why don't you rip the steering wheel off your car and replace it with bike handlebars? Well why not, in both cases you are taking a UI designed for one form factor and jamming into a completely different one where it doesn't work well and both are totally moronic, so why not just push the envelope and go full retard?
Look folks its REALLY simple, the PC and laptop are vertical non touch screen high res systems and the phone and tablet are.....wait for it....horizontal touch screen oriented low res systems. Now what do they have in common? NOTHING, that is right NOTHING! They have screens....but the res is several orders of magnitude better on one than the other. They have CPUs....except that one is a SoC made for power consumption above all and therefor is slower than an early Pentium 4 in terms of performance. They have storage....err again several orders of magnitude better and faster on one than the other. Graphics....seeing a pattern here folks?
The reason why Shuttleworth hasn't been able to peddle his shit and Ballmer can't give away Win 8 is because tablets and PCs are NOT the same thing and you can't just rip the UI from one and stuff if it the other and expect it to be anything but suck and fail. Why do the Win 8 apologists never praise the "innovation" of giving phones itty bitty start buttons and menus? Its the same fucking thing, you take a UI designed for one form factor and hamfistedly ram it into the other form factor and expect people are gonna care.
As much as I hate the control freak nature of Apple I have to give them credit, they aren't being bit by a case of the stupids like MSFT and Canonical. Everything they have imported from iOS? Can be easily turned off or just outright ignored and from what I've been told you can have the same UI they have had for the past 6 releases if that is what you want. Who would have thought that Apple of all people would be giving the user what they expect, while MSFT and Canonical would be taken over by art school rejects and go apeshit?