I thought it was just MTN because it was Gaga's first flop, but now I know people are just obsessed with Gaga. Even if her next 10 singles all flop, they'll be still more talked about and fumed about etc. than any Rihanna flop.
As for Rihanna.. she has 40+ singles, yet half of them are flops. A single is a single. It's like me saying that G.U.Y. was EDM
Cali King Bed, Man Down, RN etc. these are POP songs. Just like how GUY has EDM influence these songs have other influences (actually just Man Down) and yeah ...