“I don’t want to disrespect anyone at Everton – they have a great squad, but they were probably just a bit short of experience in winning trophies." - Sunday People
He's talking last season when they didnt have the players you mentioned. Yaya, Silva etc.
So, yeah, you can argue it. He's saying he left because he saw Bellamy, Adebayor, Bridge, Santa Cruz, Toure, all with 90k in their pocket, and Mark Hughes who's taken all the clubs he's managed to every final on the earth, as players with more experience in winning trophies than Everton - after experiencing a chance to win a trophy in a FA Cup final