Robert Smith helps Crystal Castles cover a band known for borrowing from The Cure

Crystal Castles ft Robert Smith - "Not In Love"

Pros:
-American hipsters now know who Platinum Blonde is
-More royalties for Platinum Blonde (assuming the track makes any money)
-Updating of a song that did not age well; thus making is supremely listenable once again.
-Mad hits and downloads for Crystal Castles


Cons:
-American hipsters will start wearing Platinum Blonde t-shirts, ironically or otherwise
-Robert Smith is now caught in a temporal paradox, helping an artist from T.O. cover a retro T.O. band that took a lot of their sound from The Cure.

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And neither pro nor con would be the fact that the attitude of the original is gone... I felt the PB version was about the singer convincing himself of the title sentiment rather than conveying the sentiment to a(n) (ex)lover. See also: 10cc.