It turns out I kinda have that already. My 1919 house has plastered walls, some of which have a wire mesh underlay. It blocks wifi signals between rooms beautifully.
The fact that people would even consider living in Faraday cages to keep their refrigerator from spying makes me think our society went seriously wrong somewhere.
Right in his critique, but he had nothing worthwhile on how to address it. Hence his resulting attempt of 1. Send bombs to technologists 2. ????? 3. Mass social uprising.
On this particular topic, basic software Freedom would be sufficient. But apparently enough people don't even care to make purchasing decisions based on anti-features. Or at the minimum, say hiring a technician to fix your brand new fridge as described in OP.
So, as seems to be the trend, most people are effectively content letting technology take away their agency. A small number of us can swim in the stream of navigating it so we don't get ruled over by it, but once you're doing all that work just to tread water it becomes awfully tempting to use your understanding to subjugate others.
Afaik The holes in the faraday cage must be smaller than the wavelength you seek to block. If a faraday cage were to block WiFi it would also block your cellphone.
It turns out I kinda have that already. My 1919 house has plastered walls, some of which have a wire mesh underlay. It blocks wifi signals between rooms beautifully.