He isn't as objective as he claims he is. Do you remember his ridiculous claims in July 2012 about the gross if The Dark Knight Rises. He said it would top Avengers OW (with $214M) and earn $850M overseas. He justs overblows stuff for movies he likes. He's doing the same this year with X-Men:DOFP and Godzilla.
He never updates his reports with actual overseas weekend numbers (only estimates) but he claims that his website is accurate. How can that be? He doesn't even bother to add up the initial overseas gross with the gross of the 3D re-release (e.g. Lion King, Finding Nemo). I've told him many times through tweets but he doesn't accept anything.