If memory serves, WearTesters has said the it is not only the OG molds but the actual OG materials (glues and stuff like that) that are no longer allowed to bu used. I'm going by memory, don't quote me.
I am not making any excuses for Nike, I'm just presenting the situation to whoever has a 2010 pair that is debating splurging on a 2024 pair like I did.
I hear you, separation on my 2008-2012 Foam era is an issue I'm currently facing. I have major sole separation on my Pearls and a slight one on Coppers. I'm in fear for Eggplants and Cough Drop.