Perhaps the most famous example of red driving superior popular media is the "Red Wedding" episode of Game of Thrones (S3E9). Here, red was not merely a color grade; it was a contract violation. The episode meticulously desaturated the world leading up to the massacre, only to flood the frame with crimson during the betrayal.
Even gaming streamers have adopted this. When Ninja or Valkyrae puts a red overlay on their webcam frame during a clutch moment, viewer retention spikes. Red better signals "don't leave." red wepxxxcom better