They must have raised money based on this plan -- the board must be holding them to execute it again to hit the projected IRR. If they had full control of their own destiny, I think most operators would just focus on a different business model.
https://kotaku.com/unity-ironsource-merger-ad-tech-layoffs-1... https://mobilegamer.biz/inside-unitys-troubled-4-4bn-ironsou... https://unity.com/news/unity-completes-merger-ironsource