I think we definitely missed Luna, Florin has been good this season, but doesn't do what Luna did, they are different players. I think Metcalf could have filled that roll, but was usually played to deep. There was a real difference when Metcalf played higher up the pitch, rather than being the holding midfielder.
Overall I think our biggest problem was movement, it seems to plague this team other than when we had Fornaroli and Mooy, the movement and transition was pretty good back then. But we relied heavily on those two during that time.
Did anyone watch the U23's play Kuwait? Trevor Morgan had them playing some pretty nice football and would probably beat the current Socceroos under Arnie. The point is the movement, press and passing was a joy to watch and created a lot of chances. Sure it's U23's and Kuwait, but the difference between the two national teams are massive.
Paddy has us playing closer to the Arnie book of playing than Trevor Morgans and I think that's the difference, a bit to predictable and restrictive.