In general I agree with you, but regardless of how well players get to know one another, Ryan Hollis will still be a bad backup center, and we still won't have a PF that can either block shots and defend the post, or extend the floor with his shooting ability, or both. So some changes need to be made. However, I wouldn't rush into any deal in hopes that it'll solve the problem. Were going nowhere fast with or without Karl. At least as far as the playoffs. We've won 18 games so far, and we only have 30 games left. If we believe in miracles, and that Karl can find a way to win 50% of our games the rest of the way, our record would still only be 33 and 49. Optimistically, we'll be lucky to match our win/loss record from last season, which would be winning 10 out of the next 30 games.
But hey, who knows. Maybe Karl will find a way to mine some gold out of the residue that's left in the locker room.