Your first paragraph is a non-sequitur. Only in a coal mine with pickaxes do more hours equal more profit for me, the investor.
The richest countries all have strong rights, legally and also informally expected rights. The richest companies have confident people who have lots of options, not 12-hour-a-day slaves.
Because nowadays almost all money is made using the mind, so there’s a natural relationship between a higher human development index and my net worth. (I mean I’m a normal human with empathy who also enjoys other people doing well, but even a sociopath could see they’ll make more money in the US than in either a totalitarian state or a government-less state - North Korea vs Haiti).
But all that is besides the point. Companies are single-purpose entities. Like Unix programs - do one thing well. This is very hard, and goals should not be mixed. The one thing is making money for the shareholders by doing X.
For the type of worker protection you would argue for, you need other types of organizations like unions, governments, political parties, etc.
This is why you need capitalism and democracy to make a thriving society.