Freestyle is probably an exaggeration but it is still a bit more spontaneous than something written down. Even in a freestyle, Lupe would have more content, but the sheer volume of metaphors (which admittedly can be hit and miss) isn't something anyone else could do as well.Exactly you said writes. He doesn't write on paper any more but neither does Jay, etc... The thing is a freestyle is off the top. He walks around and recites the song in his head and rerecords it's several times on occasions which is no a "Freestyle"