Aren't we just describing what any coach (not so long ago before scrutiny on steroids came along) would be doing after 13 PL games. ie working out the players and best team/system.
Plus, weren't we all (well many) saying we need to stop keep playing the Paulinha/Bents axis and get more of the creatives in midfield?, the 'chopping and changing' amounts to doing that, plus Spence rotating in for Porro or Udogie (often calked for), and Muani and Simmons being integrated as new signings as normal (the former looking like a positive already).
Yes, ones new expectations can be I want the side to settle down,BUT maybe it's just not there yet. His strongest conclusions so far are more likely to be who isn't good enough or too limited a player (ie Richie/Johnson).
And he could be making changes because of the exact same reason we wanted them....what he is seeing on the field he's not particularly happy with. He's looking for match ups that work and for things (just anything

) to click.