in theory this works but there's a flaw: hours worked. How many hours worked isn't the same as much value someone has added to the company or how much work they

in theory this works but there's a flaw: hours worked. How many hours worked isn't the same as much value someone has added to the company or how much work they've actually done. In addition sometimes value added to the company isn't realized until months later. And sometimes hard work doesn't add any value to the company.