Why did Cunningham take a wrecking ball to the Dubs?

All but two of the 15 names played for me but, aside from obvious accusations of loyalty to former warriors, I liked the look of the team.
Alan Nolan; Shane Durkin, Peter Kelly, Paul Schutte; Mikey Carton, Joey Boland, Simon Lambert; Johnny McCaffrey, Alan McCrabbe; Conal Keaney, Colm Cronin, Sean Treacy; Chris Bennett, Mark Schutte, Paul Ryan.