I believe your distorting my original point, pouring your own prejudices into what I said, or I didn't explain myself very well. (Probably the last one)
Instead, I'll just point you to Deming's work on management. He transformed Japan's post war economy into the powerhouse it is today. He's also responsible for the much of the transformation here in the USA during the 1980'ss & 90's.
Long story short: it's the goal of management to make workers successful. Re-training is the absolute best way of advancing the company.