Just so we're clear:

1. Taylor Swift makes a song.
2. A one liner in the song starts getting virally memed.
3. People who don't like Taylor Swift jump on the viral train.
4. Because someone else said those words before now people aren't actually quoting Taylor Swift unknowingly.

This is your argument?

It's a weak ass position.

I can only assume that you don't like Taylor Swift and you did this exact thing and now you're doing mental gymnastics as to why you didn't do the thing. It doesn't even matter if an example I give is inaccurate. Nitpicking the fringe of my message doesn't make the message wrong. In fact I provided 2 examples and you've only taken issue with one so far so what was the point of this dialog?