Lets not get into headcanon now, Old Garp was laughing at the idea of Crydo and Meme joining forces again. They would have gotten packed
Doesn't mean he can handle even base kaido 1v1
His DC and AP is being rivaled by freaking Koby
He can't even split a town in half , can't KO Pizarro
Has stamina issues too
You think he's doing what vs Yonko?