But do they go out of their way to support it, by firing qualified workers?
The high turnover is a liability, not an asset.
I've actually given this subject some thought -- and have yet to reach a conclusion.
These are the questions I've come up with: If you design a business around high turnover in ways that mitigate the negative effects of that turnover, what do you sacrifice? And, do such systems serve to bring good employee work down to a lower level?