" the decision to fork WebKit was entirely driven by the engineering teams and solely based on the fact that the engineers felt constrained by the technical complexity of working within the WebKit ecosystem." Is this code for "They wouldn't take our changes so we said, 'Fork it!' and made our own." ?
“Currently, the majority of WebKit reviewers are from Google (95), with Apple coming in second (59)... Google is also currently responsible for the vast majority of commits to the WebKit repository...” Doubtful.
I mean, sure, one could fabricate them, but why, especially if he can easily be caught doing it? Those are things anybody can verify by looking at the repository stats.
Here's what I found with a cursory look: Google has overtook Apple in commits 2-3 years already:
http://blog.bitergia.com/2013/02/06/report-on-the-activity-o...
Older stats (already Google on top): http://neugierig.org/software/chromium/notes/2010/02/webkit-...
And a TechCrunch article on the issue: http://techcrunch.com/2010/02/06/google-apple-webkit/