Or the time you sit in front of a dialog thinking it's installing the software only to realize there's a flat button you didn't think you have to press first wh

Or the time you sit in front of a dialog thinking it's installing the software only to realize there's a flat button you didn't think you have to press first when a flat button always just means "disabled". We're using designers that want to create art pieces when we need designers who should create usable interfaces. I don't want to hang the GUI on the wall to look at, I need to interact with it with as little guesswork as possible.