Russia deploy their Stuxnet derived cyberweapon...Yes, as I posted, well worth having as a sensible precaution. I just wish I could get the booster and the 'flu vaccine without the big increase in accompanying risks on offer at present. In some ways akin to a hospital admission.
However I think your disaster scenario is a bit fanciful with huge odds against all of it happening. Fires happen to other people.
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Stuxnet - Wikipedia
en.wikipedia.org
...to disable all energy systems in the UK . While you're freezing and starving (because you haven't been sprouting beans), you're faced with a stark choice: Hypothermia+pneumonia or getting tubed into Covid infested hospital bed - what do you do, WHAT DO YOU DO?!?!?
China's long term plan to conflagrate all UK homes, counts down to zero... and your Nissan Leaf burns to a crisp, taking the house with it - cue scenaio #1. It's automatic and based on the assumption that everyone would have one by now.
It seems safer to get jabbed via a Walk-in. Case one out like Magnum PI; check aeration, tally ill-looking bozos, exits, plan ingress and egress etc. like the S.A.S.