TLDR; The author gave a talk on future tech to 5 rich people. A couple of them have nutty ideas about how to survive a disaster (so rich preppers basically). Then a rambling article criticising real and imagined failings of the tech industry (standard Guardian fare tbh).
Imagine being the editor and actually paying for this article?!
Rich preppers do not get it. Food is #1 to survive short term and long term. They need a large farm and a community