Earlier quoted context omitted.
In terms of UX, it's really hard to beat high fidelity audio and hardware buttons. Spotify is just an app. The real experience is the playback.
Hardware buttons I agree with. But the Sony NW-A55 Walkman we are comparing against requires constant touchscreen interaction too so it's not really any better than a smart phone. Plus most phones have hardware buttons for volume anyway. As for high fidelity audio, I doubt there is much between devices these days. I remember back when I was buying portable cassette and, later, CD players there did used to be a real n…
Of course some phones are quite solid in terms of sound, with some music there's no difference either way, but without comparison you can't really know what's missing unfortunately.