extelecom, what you said makes zero sense.
You left off the notion that some might have an "agenda" and wouldn't want any one to know the truth.
If that were the truth, the person would want to show scores that represented his dishonest intentions. In other words, if a person was working for a political party- let's say for the Republican party- but he posted on the boards as a liberal Democrat, he'd want his phony results to be posted. It would be even more convincing.
On a side note, I remember a guy on ragingbull.com who was a Republican but would come on the boards and say things like, "I knows dat the Republicens r stoopid. Dats y I am voting for a Demmocrat."