It's about noting how much change there has been.
In March we expected to lose Johnson and to gain Bahr, Chandler, Davis.
That's been very inaccurate. We've lost a bunch of other players, we aren't getting the guys we thought we are, and we're getting a lot of other players.
That's an astounding amount of change since March.
The linked post is making a different argument with this info...and for THAT argument, it doesn't make sense to include Chandler or Davis or the like