But what do you do when you actually find a soft spot? Do you mark it and keep an eye on it, or is that an instant sign to just replace the whole line right then? I've never been totally sure where that line is.

Doubt it's that serious... I never rinse mine and it tastes fine. Maybe we're just overthinking a morning coffee.

I thought those logs were just stories, but your uncharted island entry shows they need verifying.