If I was better organised and had more time to spare, I’d collect pictures of dodgy dialog boxes and probably set up a tumblr for them.
As it is, I only take these pictures when I come across a particularly dodgy example. Here’s one.
It appeared when trying to buy petrol from a self-service machine. You’re quite stressed in those situations as you sometimes have a queue of cars waiting for you to get on with it. The last thing you need is a woeful piece of design like this that forces you to lay aside your preconceived notions of what “Yes,” “No” and big red X’s actually mean.