Earlier quoted context omitted.
I can't recall who it was, but there was a big outage due to a data center running a monthly generator test and having a major customer go dark. The data center had 7 generators for 4 server rooms: 1 per room, a backup for each pair of rooms, and a backup for the backups. The primary and then both backups failed, so out went the lights. You're pretty much damned if you do and damned if you don't. If you touch things…
Look at Netflix with chaos monkey and simian army. Netflix routinely does catastrophic destructive testing on their production systems, sometimes evacuating an AWS region entirely. To them, a server going down is a non-event, because they designed their systems with the premise that servers go down.
If a customer can't pay a fine - can't use their bank account - they go to jail. https://www.telegraph.co.uk/finance/personalfinance/bank-acc...
These are pretty different outcomes.