Okay, at least this proves that the theory that it's specifically Taylor taking down all these videos is false (which was dumb to begin with as we all know she doesn't have the time to be doing that.)
Maybe she's trying to disprove the theory by taking down her own video to gain our trust and innocence? Don't trust ha!
I made 13 blank tracks, labeled them after each song on 1989. Each of them were 3-4 minutes based on length I saw on wiki. I put it in a ZIP file with some random file name and then uploaded it on a file sharing site to see what would happen. It was gone in 5 minutes.