tell me your not this stupid and delusional in real life?
Chill, sorry I misread your post, thought it's just "none of the giants stand a chance to Kidd" instead of none of the giants we know.
Well, none of the giants we know stands a chance, but it's really poor way to judge the giants' powerlevel.
It is like we are judging the strength of Wano samurais from Punk Hazard Kinemon, Dressrosa Kanjuro or Zou Raizo, while in Wano there were monsters like Oden.
Or judging minks from Bepoo while there are dukes in Zou. Judging fishmen from Arlong while there are Jinbe. Etc.
Shown giants so far are fodders, but there will be many monster giants living in Elbaf, monster enough that Big Mom said she would definitely defeat other Yonkos had she got their assistance.
It's not farfetched to think whoever strongest giant in Elbaf is > Oden, because on military strength it is said Elbaf > Wano.
Just like Royal Guard > Gotei 13 and the leader of Royal Guard Ichibei is stronger than leader of Gotei 13 Yamamoto. Or Marine HQ > any other Marine bases, and Marine's strongest fighters all living in Marine HQ.