I see now what you mean.
the 'second' change wasn't liked by me either. They announced it, and indeed there never has been a period in which you could diminish the affected seats, as the BBs did that automatically.
Personally, I went from 1000 courtside, selling 750 or so, down to 500, which is why I don't like it. But take it from me, everyone who had more then 500, was broken down to 500 and received his money back, same for arena's which had over 50 VIPs, so there was no need to give opportunities to diminish arena's as it wasn't needed for the second change.
So anyone waiting for the period in which they can diminish their courtside to 500 and VIP to 50: good news, wait no longer, it already has been done for you, at no cost, no waiting time, and total refund.
Hope this answer is satisfying?
They are not your friends; they dispise you. I am the only one you can count on. Trust me.