That just means a device for people who have very few technical skills will need a near-constant and perfectly working internet connection to be passably useful.
I would classify myself and quite technically skilled, and I still need a near-constant and perfectly working Internet connection to be passably useful. :P
Assuming that internet connections are usually available ensures that your device will be utterly useless in many rural areas. In some places around my city, there is no broadband internet available at all, perhaps even when considering offerings from cell phone networks.
There is one place in our city that offers free wifi, and few people are aware of it because they do not advertise it. Our library has computers one can use, but no wifi.
People living in and around major cities may want to pretend that everyone is able to have nearly continuous internet access, but that's not the case. Even assuming one has a smartphone, Edge isn't a pleasant thing to attempt to even browse the internet over.
