So you'd also say that a car that explodes if you forget to press the "don't explode" button after refuelling is a perfectly good design? Even if you think you

So you'd also say that a car that explodes if you forget to press the "don't explode" button after refuelling is a perfectly good design? Even if you think you're perfect and never make mistakes, it's not a good idea to add easy opportunities to make mistakes.