And there's the archetypal comment on technology-based social media that is simultaneously technically correct and utterly irrelevant to the topic at hand.

Actually the pedantry is meaningful!

You cannot create a swiss cheese safety model with correlated errors, same as how the metaphor fails if the slices all come from the same block of swiss cheese!

You have to ensure your holes come from different processes and systems! You have to ensure your swiss cheese holes come from different blocks of cheese!