As Castiel said, I did express concerns on the old forum that he'd struggle, but I gotta admit there's parts of his game that have disappointed me that I either didn't see because I didn't watch enough of him or overlooked. And that's mainly how susceptible he is to pressure, I didn't expect him to be so easy to force into errors, how he defends in space is no surprise to me though.
Gotta cut him some slack imo, he's come to a team that has no real structure for a coach that had absolutely no plan for him. So far only a technical freak is able to succeed in our midfield and like Arteta, it's probably shortened his career.
PL clubs are not getting much for £30m these days, especially when it comes to midfielders. Kante, Sissoko, Wijnaldum & Xhaka were the £30m midfield signings last summer.