I don't feel like it does. It's just pure advertising. It's not an unbiased review. It's also no substitute for someone trying out the platforms for themselves and making their own decision (which is what I'd advocate.)
Paul spent weeks evaluating the platform which not many people are able to do so they resort to other people's experiences.
This is why Yelp, The Verge, Engadget are popular. Not everybody can try things out because of the risk that it might be a waste of time.
I understand why review sites are useful. I'm not advocating they disappear, but I do not think personal blog posts which are highly biased are useful. Especially in 2013 when these platforms have been around for years and years now.
It would be biased if he worked for Google, or if, at any point, he expressed a disproportionate favour for Android without backing it up. But he didn't. Why is it biased?