User blog comment:Ghmorello/Chapter 913: The Straw That Broke The Tea Maker's Back/@comment-7606564-20180803113938/@comment-2600:6C5D:5D00:1C9:7DB5:EF05:CDA:DE93-20180806202351

That is quite a theory. However, the only reason Zoro wants Luffy's Kitetsu is because Zoro is a true swordsman to tell about which sword is cursed or under his command.