I think the problem is that this device will come with a USB-C cable that won't be good for much beside charging a Kindle, but could be plugged into something t

I think the problem is that this device will come with a USB-C cable that won't be good for much beside charging a Kindle, but could be plugged into something that wants higher power. USB-C's greatest asset, that it is becoming truly a universal cable, is also kind of a problem--but probably less of a problem than the one it solves.