random air slash with no haki, not a real one shot
nope, biggest cope
yamato negs zoro, she has better haki along with a mythical zoan
You are coping.
Hakai required the full strength of 2 Yonko working together to perform. Kaido still had to make sure BM had the strength needed to perform the attack.
Hakai had all the SN running scared, except for Zoro, who blocked it. Even Luffy didn't think his defensive/tank mode was enough to stop or survive the attack.
Kid thanked Zoro for saving everyone from Hakai. BM was surprised the SN survived hakai.
Hakai broke 20 to 30 of Zoro's bones. While Kaido's TB couldn't even knock a weakened and injured Zoro unconscious. TB caused the Scabbards less damage than Hakai caused Zoro, who's one of the toughest character in the manga.
It's irrelevant if hakai contained haki or not, it's still stronger than TB.
Oda added the bombs to Kid and Law's fight against BM. It was relevant to him and they wouldn't have defeated her without it.
Kaido can't even neg a weakened and injured rooftop Zoro so there's no way Yamato can. Rooftop Zoro beats Yamato.