Touch screens in cars
This doesn’t mean that all touch screens are bad. The problem is that in some newer cars, the touch screens control almost everything, including the air conditioning and radio. Why is that bad? Because the physical buttons were easy to use while keeping your eyes on the road. Putting everything on a touch screen can be dangerous and distracting.
The button on top of baseball caps
It serves no purpose; it hurts when you bump your head; and it makes wearing headphones harder.