Dax is gone and you can't change it. What I am worried about is how the Lloyd and Dax trades, and the banishment of Ali into exile, affects the locker room. I can see a veteran like BWP not liking what he's seen at all. Sports is a ruthless business, and for U.S. sports with the trade process that's especially so. BWP is a professional and will do his job, but I'm sure seeing how the organization handled Lloyd, Dax, and Ali might get in his head a bit.
Of course it will. You saw BWP already joking around about not wanting to say that he feels like he's getting older because we've seen how the team deals with that. He knows he's one mediocre season away from getting traded.
And regardless of your thoughts on the Dax trade specifically, you've got to believe that the players are rolling their eyes about all of Jesse's "team first" and "we're all in this together" lines.