The assumption that a vast transmission architecture will be available everywhere with 100% uptime is, in my estimation, a laudable goal but an impossible dream. Far too dependent on other infrastructure (power, transmission lines, satellites) and too easily sabotaged. A huge set of vulnerabilities.
Quite right. But many people presently have a desktop, a notebook, a tablet and a phone. I suspect the number in this situation is growing.
The notion that they will want to continue indefinitely with this silliness, complete with constant manual syncing, is just ludicrous to me.
What does a tablet inherently provide, aside from size which just means data entry and display ease, over a phone? Nothing, as far as I can see.