That didn't make sense. The article starts by saying you can't sternly talk someone into upgrading their skills in a month, when it took them years to get where

That didn't make sense. The article starts by saying you can't sternly talk someone into upgrading their skills in a month, when it took them years to get where they are. And then finishes by saying to just figure out the few areas where the developer can rapidly improve to get to whatever benchmark you've defined for that position.