I'm betting you're right. I think he did have a lead on the firing story and is now taking advantage of the media coverage he's getting.
I do a lot of SEO work and what he's been doing since his big scoop looks a lot like linkbait. He's taking advantage of a trending topic that is clearly of interest to the region to promote his blog and whatever else he's got going. Some linkbait can be totally ethical...but this is starting to look otherwise. Even now I can see that the guy went from having 23 followers from when the original "Cowher ok with salary" tweet...to having 44 followers. Some are names I recognize from TBD