Last night, K-Pop supergroup Girls' Generation took top honors at the first-ever YouTube Music Awards, winning Video of the Year for their clip "I Got a Boy" — an eclectic, electric mashup of candy-colored visuals that parallels the song's peppery stop-start aesthetic. In doing so, they beat out a fairly impressive list of video music titans — including Miley Cyrus, Justin Bieber, Lady Gaga, One Direction and Macklemore and Ryan Lewis — sending shockwaves of self-congratulatory glee across the K-Pop fanscape.

That's...