Unconditionally is really one of Katy's best songs.
I cannot believe it did not go top 10, although it's nowhere near a flop. It's a legitimate top 20 hit.
Dark Horse is a grower (for me), because I'm starting to really like it now. I would prefer Walking on Air over it, but it's also a good song. At least Katy recognizes that her favorite song did not do as well as she expected it too, and I applaud her for standing up for a song that she believes in.
Dark Horse is a song being loved by the public, and it is also a very creative and artistic song, so Katy wins with it.