Fact-checkers are not infallible, either. It's usually someone who doesn't know the issue at all looking it up on Wikipedia or interviewing an "expert" with his own biases to get an answer.
http://www.forbes.com/sites/aroy/2012/11/05/the-ten-worst-fa... is from a conservative viewpoint, so read it with a grain of salt, but it's should be enough to make you skeptical of the whole process.
Yes, but there are enough things that are incontrovertibly right and wrong, like a lot of pundit predictions of this last election. Even if this were not the case with anything whatsoever, there is clear value in being able to look up a pundit and see all of the predictions and statements in one place.
Fact-checkers are not infallible, either. It's usually someone who doesn't know the issue at all looking it up on Wikipedia or interviewing an "expert" with his own biases to get an answer.
So there would be 3 or 5 grades for predictions and factual/nonsense statements made by pundits.