I think that's fair. We are looking at an 18 year old as well so it goes without saying he has to do better.
Look at all of our other midfielders, McCarthy, Schneiderlin, Gueye- however well they have done they are far from the complete players.
I think Davies will do fine. I've watched him from when he was a young player and never felt he'd be at Barkleys levels and has pleasantly surprised me. At Everton we have a tendency to want every player to be as good as Rooney. Bringing through local lads, even if they end up as squad men has an awful lot of merit. Be honest would you prefer to see squad positions filled by local lads like Davies, or players like Cleverley or to an extent your Nevilles of this world.
Alex Fergusan did many things very well, but understood having local lads brought through as squad players had an enormous value. Nicky Butt and Phil Neville got over 80 caps and many league medals from doing this.