Secure Da Bag
Veteran
In the same Chapter as well as the following, it's stated explicitly that Hit is having to evolve in order to keep up.
I just read the chapter. It didn't say that. All it said was Hit has never had to use full power because he had Time Skip. Hit had to go full power because Goku went SSG and Hit's base wasn't enough. SSB Goku couldn't hit Hit and SSB Goku acknowleged that Hit still wasn't using his full strength.
It's true that Hit was a highly skilled tech fighter. But that was on top of his actual power not in lieu of.