Zoros strength shits on boundman tho, Hakai would if not wipe him out upon contact would launch him across planet. Look at what happened when someone far stronger than bojndman Odeb tried to block an attack like a million times weaker than Hakai.
Sky splitting fan service aside what has Big Mom ever shown? ACoC without true AP and lethality is so trash even Kinnemon lives through it. What is she gonna do to deal with Ashuras speed and lethality? How is she not getting one shot from attack that nearly killed Kaido?