Bruh, Luffy already proved that speed alone was enough to make a person unpredictable, even against an opponent that can see the Future.
Kaido, using an "unpredictable fighting style" is not pointless, because he is ridiculously fast on top of it.
Kaido, using an "unpredictable fighting style" is not pointless, because he is ridiculously fast on top of it.
kaido is an open book when he's drunk.
and we saw how ineffective the drunken fist was, it didn't even last long, and most attacks missed.