Luffy punched kaido

[Blackangel]

luffy really punched kaido?
and that's really difficult for me to understand it. how could kaido fall?

 

[Kaname]

He is mad.
He couldn't have saved his friends even if his life depended on it.

 

[Blackangel]

and his friends are not very weak.
they could have escaped if they truly wants to.