The Tiny Hole in Elevator Doors
That little hole isn't a way for you to peek in or out of the elevator to see who's about to hop on. It's actually a safety measure. It's meant for maintenance purposes to help people when they get stuck in the elevator.
How to Eat Tic Tacs
The Tic Tac box actually opens in such a way that just one at a time pops out, as intended. Instead, people get frustrated with the tiny opening and tap on the box so many times until several spill out. The box is ergonomically designed to avoid that specific problem.