[lemming]

Just wait until you hear about literally everything ever

Or a lot of modern medicine right now. Lots of useful drugs are discovered totally by accident: "Oh look, my patient took this for foot sores and it turns out it helps his hair loss", and then the drug gets used forever more, despite having really no idea at all why it should work. We don't even really know how paracetamol works.

[vermilingua]

Or if paracetamol works [1], which, given that it has a remarkably low lethal dose, really makes you wonder whether it should be sold at all.

[1] https://www.mja.com.au/journal/2021/214/7/efficacy-and-safet...