Some people choose to blindly listen to everything he says, but then again, he's not out there trying to be a leaker. He claims to have sources on the inside, but never directly "leaks" anything, just mainly theorizes based on what he hears in comparison to what others here.
There's a fundamental misunderstanding of what constitutes leaking if some believe broadcasting previously private "information" doesn't count as leaking just because it is then used as a basis for further speculation. The moment you share something that was previously undisclosed, that is leaking.
Just because you recuse yourself, or just because you say you're not a leaker, doesn't mean that's true. One doesn't get to reject responsibility for words said and actions taken just because you eschew the title. Especially if you still want to claim insight should you be proven correct. But whether or not the information is valid, there is tangible evidence of dissemination of otherwise sensitive info, which is what leaking is.
It's like if I said, for example, "I've been told by my sources that the next fighter is from Capcom, and I think it's going to be Dante". Obviously the latter is speculation, but the former is very much an inside claim being publicly broadcast. That's textbook leaking - regardless of credibility.
Now, the credibility of those claims should, logically, inform how trustworthy you are as a source going forward, but that's another issue.