You're not wrong on your first 3 points, but I don't see how that leads to those three walking for nothing.
Dealt for minimal returns and next to money coming back? Sure.
Outright walking away in the summer? Not a chance in hell.
Yeah I was just twisting the knife a bit at the end.
Probably not the case - but I doubt they'll trade all 3 by the deadline.
Even if no one signs by then.