What does "unanimously disagreed" mean?

Someone was asserting that he was fit to compete. The judges all disagreed with that statement. In other words, the judges all disagreed with the statement that he was fit to compete; in other words, the judges all disagreed that he was fit to compete; in other words, the judges unanimously disagreed that he was fit to compete.

Not exactly a specimen of good writing, I have to say…

[Edit: Dan points out, and I agree, that this could also be 'a deliberate play of on words from the standard unanimously agreed used for effect'.]

Here's what it means:

All of the judges decided that he was unfit to compete.