god forbid someone to stan a song which doesn't sell that well. All that matters is listening to the song not some sales crap which is obviously to provoke the gaga stans. It's not normal to keep bragging about it and start arguments about sales. If people dislike Lady Gaga why are they spending most time in this thread? but the answer to that is pretty obvious.
Britney spears recent songs didn't do that well in the uk you don't see people every day trying to start an argument/troll over sales about it. and other songs that didn't do well either. Just because it flops doesn't mean it's terrible unless you're a sheep and only like songs based on the sales
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but yeah it's all about the music not how much it sold.