User blog comment:Kaido King of the Beasts/Chapter 885: The Whipping Boy's Nut Job/@comment-24850639-20171110175539/@comment-71.13.82.131-20171113154344

Based upon what was said in Skypiea, Haki can not predict instinct or what an opponent is not planning. If for Luffy it was more instinctual or that it was a split second decision, Katakuri could not have seen it.