Well yeah, but I mean for a guy who wants to beat a Yonko, his level of hardening is just not up to par. His brute strength is good, his speed is good, his CoO and penetration Haki is also good. The level of hardening is still below a lot of YCs.
I made a chart a few months ago outlining the different "branches" of Haki, but I can't fucking find it
The point is his hardening is dog shit. From hody to kata theres a world of difference.
Even in how hard they hit. His haki has been broken or stated to be weaker than all his opponents post timeskip bar cesar.