A much better idea would be to come up with a battery compartment shaped in such a manner that the direction the batteries go is self evident. This means the user does not have to make any additional decisions. This is a technology hammer applied to a problem that requires a different type of fix. The user now has to make an additional mental leap. It is not simplifying the world for people, despite what it does at first glance. It's making it at worst harder at best no harder than it is now.