Poor or not poor it is certainly better than saying he will get it because,2 other right hands had it,ignoring circumstances or forcing parallels,as if it is needed to have the same kind of abilities.
Now don't get me wrong ,I don't mind Zoro having it and it would be make sense considering his goal and being emphasized how he wouldn't join under anyone, however ,I don't think at this stage it fits to be given to him.It is too late and Oda focuses too much on Luffy. He didn't even let a samurai follow his lead and didn't do anything at Wano(just like Franky and the weapons) ,instead Luffy came and at one fell swoop he got 4/5 of the army. He wants his MC to be extra special and you think he will give his one ability that separate him from the bunch, to a simple henchman? Not even going to talk about how Oda making Zoro develop his CoC fast would make it so that he basically had better control and growth in MC's best haki. Unthinkable.