[camtarn]

Some of my code gets deployed to a PLC aboard a wave power generator hundreds of metres offshore, with a cellular link that might go down in a storm. If something gets unrecoverably wedged, retrieving the device starts at $10K to hire a ship.

I feel this blog post hard.

[boulevard]

Wow, that's a fantastic and terrifying example. "Retrieving the device starts at $10K" is about as high-stakes as it gets for software reliability. It perfectly crystallizes the difference between rebooting a cloud instance for pennies and the extreme costs of failure in the physical world.