What GD was saying if you are able to read between the lines.
If you treat your employees badly, they become unmotivated towards working for their employer and perform badly.
Or
Treat your employees with respect and motivate them they will go above and beyond required for their employer.
Im sorry if the link doesn't work.
From the Harvard Business Review
https://hbr.org/2018/01/companies-that-do-right-by-their-workers-start-by-elevating-their-definition-of-success
Can someone younger than me make it work.
The bit about John Lewis is interesting.