On the Google Reader Redesign →

The only thing left with any color of consequence it the obscenely red subscribe button in the top left, which in keeping with the spirit of prioritizing the exactly wrong thing — you don’t even need to use very often.

Reminds me of the famous Ralph Waldo Emerson quote:

A foolish consistency is the hobgoblin of little minds[...]

Consistency in interface design, applied correctly, is very useful. It helps someone leverage existing knowledge and past experience to more easily use something new. Just making things look the same without regard to each thing’s features and functionality is exactly what you shouldn’t do.