They can reach prime in any age Oda wants, like Kizaru being non prime vice admiral in his 43 or something.
Kaido respects Oden, that's it, nothing more.
Agree.
Kaido respects Oden, that's it, nothing more.
Post automatically merged:
Agree.

Kaido gets reminded of - WB , shanks , Rocks , Roger and oden. These 5 he most likely had 1v1 with or knows their strength well.
He respects all of them and puts them on similar level. Plain and simple. You are creating a head canon where the above does not exist.