Well I am resisting having them installed because I know for a fact that they will never work where they have to be installed in my garage, where there is no coverage whatsoever on any network.
As does a relative, who is also in the same situation, but gave in, even the installers said that it would never work in his location, but they are incentivised to put them in so in it went. And achieves nothing. He knows perfectly well how to turn things on and off and manage his use, still has to read it himself, but the very significant cost of all of this just gets added to our bills. It is a huge amount already. In billions.
13.4 billion £ so far, according to
https://www.theregister.co.uk/2019/09/17/four_year_delay_for_smart_meter_rollout/
Which has already gone somewhere, snoughts in troughs I think. As for the desperate pleas from say EDF Energy who now try to tell me that it it is a legal requirement to have one fitted, pure BS. It won't work, they will be fined I think £50 for not doing it, rather than incentivised by quite a lot more to put in something that I don't want, will not work, and overall adds to the price of my supply, then punish me with higher bills for being awkward.These things are not free. Another government initiative that has been very badly thought though.
They couldn't even make them inter-operable to begin with, supposedly that has now been fixed with SMETS2.
As for the "shared rural network proposal" well I don't think that is likely to happen any time soon, if ever. I live in a densely populated place, but in a pocket down a hillside where there is nothing unless I put my 'phone in a particular spot on the bathroom windowsill and can get just one network, slowly Yet if I walk a hundred yards up the road everything is perfect. I see no incentive for any network to put in a small cell to fill things in for under a 100 people, never mind co-operate with other networks to share it. I wouldn't. if I was managing that business.