establish himself as a big time pirate for shanks to look even better when he washes him.
would people be as impressed if say
kidd was still a pirate with a 500 mil bounty that has just been trashed by big mom in a 2v1 and then lost to shanks just this chap?
prob not.
would people be as impressed if say
kidd was still a pirate with a 500 mil bounty that has just been trashed by big mom in a 2v1 and then lost to shanks just this chap?
prob not.
It just proves that Oda exaggerated the bounties.
Equivalent to lying to the readers.