Good or bad, if something has reason to change and does - then that is good. If there's reason for a change, and you make none, that is not so good.
The difference between 'moving forward' and 'stagnation'.
:)
(if you think I'm insinuating anything towards the relations specifically between GATO and TSK, then I'm sad to inform you you're mistaken. I know nothing about the 'why' for this, only that it is good they made change rather than none when it was clearly needed.)