It's hard to take your criticisms seriously when you are clueless as to what the 'metal lozenge' is for. Have you never even been so curious as to touch it?
Far from 'pants on head idiotic', rather it's 'decent design that could be a bit better'.
Far from 'pants on head idiotic', rather it's 'decent design that could be a bit better'.
The correct design is to create it such that it serves the unsighted without enticing the sighted to mistake it for a button and touch it for a function it does not perform.