The problem is that Wenger is not prepared to use his squad (except for cup games), he has his best 11 or 12 players in mind and runs them into the ground even if their performances are not up to standard. In order to compete for everything you need to keep things fresh by trying different things and reacting to consistent poor performances, he doesn't do that. I'm sure Ramsey will play against Fulham despite doing absolutley sod all for weeks.