I think all in all he's been our best midfielder and is the least of our worries, even if he isn't playing at the absolute top of his game.
Nobody in the team is, the problems run deeper than individuals. It's a nonsensical squad makeup with too many injuries, duds, kids, and pensioners and not enough Partey's. That the coach is fucking it up even more results in the kinds of performances we've seen, not to mention the fitness concerns md brings up.