Because the comparison has nothing to do with Mihawk when Mihawk's is actually directly making a correlation about himself..
![Milaugh :milaugh: :milaugh:](https://i.ibb.co/ypRqMmV/Mihawk-Laught.png)
Physical strength's force is transferred into the blade, AdCoC is not, it's a external power that has nothing to do with the Blade..
![Yearight :yearight: :yearight:](https://i.ibb.co/4W2Xcr6/fat-cat.png)