Of course everyone's gonna forget that Kanye is also involved, JUST as much as Rihanna is and this is on BOTH of their albums. Did u forget? It's not fair to be pinpointing Rihanna, lol.
Definitely don't see how the song is "****" from what you're saying but you can think w/e obviously...!
Well if you're going to consider a song credited to all 3 as 'Rihanna f/ Kanye West & Paul McCartney'...
It goes nowhere, doesn't really achieve anything. It sounds like a cute jam session, not a single or even an album track.