Amazon is famous for not caring about the health of their workers, compared to competitors in the same industry. They pay above the market and replace the market's healthy workers with workers with health issues. They don't care to optimize their process towards worker health as currently the supply outstrips their demand.

https://www.cnbc.com/2022/04/12/study-amazon-workers-suffer-...

But I do agree with your general argument, a healthy workforce is better for a country's economy.