> The whole point of the word purpose - its purpose if you will - is to be able to talk about the difference between what a system does and what it ought to do. To say the purpose of a thing is what it does, is to render the word completely redundant.

I think you might like this song then: https://www.youtube.com/watch?v=nqBBNjkAlXM

as it takes normal every day systems that we think we can depend on (banks, the army, phones) and sarcastically highlights some of the worst things those systems do vs what we're told they do. The chorus is that slogan.