Common Sense Is Uncommonly Rare

Ah yes, the tea bag floating on top instead of steeping properly—exactly how features work without documentation. Developer thinks it's "common sense" that you're supposed to remove the staple and dunk the bag. User just plops the whole thing in and wonders why their experience tastes like disappointment and metal. Six months later, the same developer will stare at their own code wondering what dark magic they were attempting.