I think marketing is the problem, if they said we have a disconnection relay built into smart meters so one meter fits all be it pre-payment or not, then there would not be so much resistance, but I lived through the winter of discontent and I was thinking they were getting ready to do the same again, as could not see any reason for fitting the disconnection relay when they said it would not be used.
In other countries like France one can select the maximum power you want, the lower the maximum the less the charge, and before the smart meter they would fit 16 amp fuses, and the way a fuse works did allow a small over load for a short time, but when smart meters were fitted they were disconnecting with very short overloads, I read about it some time ago, so can't remember how meters were reset, however due to how used in other countries, stories have been generated which are simply not true in this country.
But the adverts are nothing short of daft, they do not show any of the advantages which are really there, but show a Freddy Boswell look alike doing some daft things like clapping hands to turn lights on/off, which is simply not true. They could advertise the tariffs available once a smart meter is fitted, but have selected not to.
It seems over a centenary ago we use to have duel tariffs and supplies, one for lighting and one for power, it was illegal to use the lighting supply for power, and I remember my grandads house with all radial circuits, and a row of fuses, seem to remember only 2 x 15 amp sockets, one in hall and one on landing, and to do the ironing my gran would use an adaptor plugged into the lights, great idea as it kept the lead out of the way.
I suppose today nothing to stop me plugging into the lights, I have ceiling sockets
it would be easy enough to plug in. But what I am leading to is it is also possible to split the supply to essential and non essential, I have to an extent already done this, 4 kitchen sockets (used for freezers) and the FCU for central heating are on an UPS.
When new builds are wired, there is no reason why it should not have two consumer units one for essential and one for non essential and have a smart meter where the supplier can turn off the non essential supply when there is a unexpected heavy demand, and to encourage the use of non essential supplies offer a reduced tariff for them.
But this is for rewires and new builds, not existing homes, new builds should be designed to have essential and non essential and have roofs facing the sun with built in access for solar panels.