I can imagine this, as much as I can imagine how crazy Kaido and Big Mom should have been if Oda didn't dumb them down and nerf them ( nerfing especially Big Mom, she was fucking bodied by weaklings and last time she used AdvCoC was vs Page One
)
Big Mom was meant to not deliver ever since that Marco chapter. "Not enough souls to spare on you. WTF?
Can you imagine:
Whitebeard: Not enough Quakes for you.
Blackbeard: Not enough Black Hole/Vortex for you.
Shanks: Not enough Haki leftovers for you.
You know how it is.
Oda dumbed down and nerfed Yonko and gave ass pulls to most characters to overcome them. Onigashima is a mess to power scale.
I would say in some aspects not all but in some it surpasses Marineford in terms of being worst place to power scale.