Yeah the only reason that zoro and luffy are trying to do more damage is because they are getting put into situations where they have to which is why they need law. The only reason zoro did tatsumaki is because kaido bite luffy. Luffy went all out without a care in the world hoping kaido would be defeated.
damage means literally nothing when kaido just healed from it all and the fact that kaido nearly hit luffy again but he was only saved because of law.
The only reason zoro got flying dragon blaze off was because of law
so far when has Kidd or killer needed law? They never did. Only zoro and luffy did. Itβs that simple. Damage means nothing if you donβt have the means to dodge or get off strategic attacks like dragon blaze