User blog comment:Meighan/Thoughts, Feedback & Fixes Around the Admin Dashboard Rollout/@comment-1393830-20110810042939/@comment-1361074-20110810205446

Since the wiki's wordmark is reduced, and you're forced to use wikia's colors, I'm sure it has something to do with corporate branding, just like the wikia navigation bars and spotlights. Remember, wikia doesn't host wikis anymore, they allow you to work on one of their wikias.