A phrase I've used a few times to demonstrate less than thoughtful design. It sprang to mind here, but all may not be what it appears...
Take a look at the drop down box on the right hand side. Now look at the balloon that appears on hover-over. It takes up space, covers up other list items and says exactly what it already says in the drop down list.
Just because someone found the bit of javascript that did this, they probably shouldn't have used it without a solid rationale, or good user-centred reason. However...
I will bet several thousand dollars (Australian, just in case I'm wrong) that this actually did have a very good design idea behind it.
Picture the same view above, but instead of the balloon simply repeating the name of the film it said: "Certificate PG, children's animated movie"
Now, that would be useful.
So I think what this example shows is not an example of bad design. I think it's an example of bad meta-data, and a business that cannot deliver the data required to support a good user experience.
We can design and develop great user experiences, but unless the business can produce _and_ maintain the meta-data required to make it happen, the value of that design is lost.
The question still remains whether or not they should have implemented the balloon without the data that was intended to go in it, but that's another story.