In fairness to Yamamoto, the RG's shaking all three worlds actually gives credence to Yama's Bankai being a threat to the Soul Society in its entirety as it was hyped to be. Granted that would still take time.Yamamoto stans are in
Shambles forever
Kubo took a fat shit on him
Man fought a yeehaw without the Almighty and any of the RG unrestricted would smite him