App Stores, the web, etc. How else does software as a service get sold? It’s not a new thing. Probably a lot of these things will just end up as features in existing systems.
More materials will be used. People will change batteries that don’t need to be changed, and will buy and carry more batteries than they need. There will be a massive inventory of batteries in the supply chain, many of which will simply age out of their shelf life before ever being useful.
The chances of this being a net gain for the environment are basically zero, but the waste will make money for a bunch of people.
I’ve heard it argued by historians that there were likely to have been multiple prototypes of the antykythera mechanism, but each one was recycled to produce the next.