I don't know. I think this is mostly a "no more ********" message. Next camp matters. Be available if at all possible. Come in ready to work and not worry about the run-in with your club team (which might be a serious concern for CP because Milan is looking like a real contender for the Scudetto this year).
Do i think McKennie might be on the outside looking in? Sure. I don't think he's one of the four best wingbacks. I don't think he's played in a double-pivot in a long time. Which means we're talking about him being in competition for those roles behind the striker. If we think CP and TIllman are locks there, those other spots are hugely competitive. Gio. Zendejas, Luna or Brendan (whichever pest Poch prefers). I think Weston is better than Luna and Brendan, but I'm not sure he's as "right" as they are if Poch wants that type of high-workrate option in that spot.
But this could also be directed at someone inclined to ask about Musah or Johnny. I think a lot of us have already come to terms with those guys being behind Tessman and even Morris or Sebb. But some media members would almost certainly ask about it.