It's not clear that you read the article, as it describes several devices like that, and the whole point of the article is the somewhat obvious point you're making with the rest of your comment.
Ah, I think I understand now, thanks for clarifying. Though I'm sure one will be made, IMHO I'd much prefer a dongle. My ideal dongle would have AC adapter + USB + Gigabit tthernet + HDMI + 2-3 USB ports all in a small package: a docking station over a standard USB connector.
For Kickstarters, this one looks pretty nifty:
https://www.kickstarter.com/projects/668098663/infiniteusb-o...