The collapse of payments in Almaty: Yesterday, the consent system on buses and the metro went wrong, the QR code payment did not work.
In the crowded and nervous morning crowd, think how easy it would be for a comfortable city life to collapse.
And how useful it would be to periodically test the main life support systems for resistance to destructive external influences and survivability.
Especially against the backdrop of AI-zation. A few hackers can shut down an entire city.