MAE vs MSE vs RMSE: Three Bosses With Very Different Philosophies on Punishing Late Employees

Your employee is 60 minutes late. Boss A says "60 penalty points." Boss B says "3,600 penalty points!" Boss C says "60 penalty points, but I calculated it Boss B's way." Same lateness, wildly different scores. Here's when each scoring system makes sense — and when it ruins everything.