Very true! There aren't really that many instances where race is that much of an issue unless it's directed toward Aiel-centric slurs. There are some sideways looks at the Tinker lifestyle, but the worst prejudice seems to be around people who can channel. In a world that doesn't have many...
Yes, it always helps when you know the main showrunner is a longtime fan of te series he's adapting. He has the unique perspective of being able to come to it from a fan POV and understand that not just anything is going to make the series work visually.
:)