They are like era-specific versions of each other. Part of the algo quality must boil down to the key. The Miley elicits my sensual repulsion almost immediately upon impact with the oh-so-predictable late 10s/early 20s wallpaper-esque vocal melodies. And the Taylor is in a key ubiquitous to the muzak of its own decade, instantly bringing this to my mind to the point where I was hardly able to recall what I listened to without the two merging in my head, save for Taylor’s slicker synth-pop production: