As I said in the point you quoted, all parties without exception management must all be responsible because if it is said to be unfair, it is actually like injustice for players if you see the fault of management.
That's true and everyone involved in management must be held accountable and the mistakes they made last season need not be repeated, as either way the point deduction dealt a massive blow to a player who had struggled to finish in the top five in the standings. But because of strong evidence of the violations they committed, Juventus finally had to give up the opportunity to play in the Champions League due to a point deduction.
Now they must try better to make conditions at the club conducive, at least not making mistakes like previous seasons especially in terms of manipulating player prices it would obviously be very good. At least they would still be in the top 4 if their points weren't deducted by 10 because they would be on the same points as Inter despite losing out on goal productivity and possibly 4th place but that would have been great because they locked up the Champions League but that's now in the past.
Next season we will see how Juventus will try to compete again for the top five positions. Allegri has said to stay at Juventus and this is a good move because they don't need to look for a new coach who can adapt quickly to players, Allegri just needs a few new players for next season as additional strength in his squad and they are also missing several players who leaving this season. Player adjustments will be a step for Juventus on how in the next season they will be able to compete at the top flight.