It's a neat system. But without the connection and services to back them, they may as well be guaranteed eventual e-waste. Not a problem now, but will be much further down the line.
Decades after release, you can still blast the dust off an old NES and play old cartridges found at flea markets the same way you did with new carts on day 1. How true will this be for the current generation of hardware in the decades to come?
It's just another aspect of forced obsolescence getting foundations put in. They are right to call these digital sales.