The logistical side of this will be a tough row to hoe. That aside, this would develop an entirely new support landscape. I upgrade all my PCs several times before I go out and entirely replace them. Why should my phone or tablet be any different? HW developers are responsible for drivers. As long as the drivers are compatible with a given OS, the rest will be history.
Someone has to take a chance, why not now? Folks lamented the demise of the candle industry when the light bulb was invented; this is no different...
Someone has to take a chance, why not now? Folks lamented the demise of the candle industry when the light bulb was invented; this is no different...