If it were us, we'd be complaining how they don't really have wingers now that Mahrez is leaving as well.
They have downgraded from Gundogan to Kovacic. They are adding a top class CB, however is that really what they need with their central defense being their strength last season.
Walker likely leaving, Cancelo likely leaving, can they improve on them? No actual top class LB.
I feel like they have great players, but unless they also go on the market, they might have some holes/downgrades.
I fear Arsenal's potential more than I do them in all honesty. However ofcourse, they have more proven world class players and the best manager.