While racial diversity is a worthwhile discussion, another issue this whole thing brought up for me is that GB is kind of pigeon-holed into hiring people who represent the same views as the existing staff. They have a personality driven site with a "everyone who works here are really good friends" vibe going on. The downside to that is its difficult (not impossible) to bring in people with radically different view points without disrupting that camaraderie. That said it remains to be seen how different/similar their tastes are to that of the existing crew.
They may all be friends and get along but this group of people absolutely has different opinions and views on different games and genres. How often can you hear Jeff's eyes roll at the DOTA talk?
If they all agreed on everything, we'd have a 10-minute long GOTY show to listen to every Christmas.