I agree with this assessment. He might be able to be a great player for Everton if he keeps improving, like Cahill has been in the past decade.
Fellaini isn't as good as the Ballacks of this world (yet?).
Would be a bad move for him to be a bench player for one of the "big four", when he has the chance to be an important player for a team that has a good chance to fight for European football year after year.
If he was having a good couple of games because he felt the pressure was off him a bit, his dad sure ruined that now.......