A click-baity title for sure, but if you spent last night squinting at your screen and impotently trying to increase its brightness, you aren't alone. Game of Thrones has gone dark. Very, very dark. Yes, this article is a technical analysis of how GoT is using underexposure to create scenes that actually require you to turn up your screen to full brightness!
Part of course:
Game of Thrones just got very, very dark (The Week)