Major shareholders sign term sheets which always govern the terms of who is prioritized with profit, major decisions or in any economic event. Breaking term sheets is breaking a contract which is illegal in the sense it has legal consequence for not being adhered to. Especially if it involves a public company and is under SEC jurisdiction.
The overall health of a workforce affects health insurance rates and every employee. The more unhealthy a workforce is, the more money comes out of your check for insurance. This is why wellness programs exist at companies.