I think it makes more sense as just another means by which business consumes workers. I know that sounds all profound and over-generalized crypto-Marxist, but if you look back upon history I think you'll see a consumption metaphor where business is basically treating workers as fungible, resisting healthcare benefits and other quality-of-life exchanges. Margins are to be applied to productivity, and the underling's health is not necessarily a primary concern where they can be replaced.