I'm a gamer. I genuinely believe that there's a lot to be learned from games via playing, studying, or building them. I know what it's like to have non-gamers look down at your time gaming and view it as worse than unproductive. However, even when I worked in the game industry, if you tried to tell me that Starcraft mastery adequately demonstrates your performance under pressure in a professional context, I'd laugh in your face.