Maybe losing valuable people is not affecting company straight away, but it surely affect the project. And with few project failing miserably (as they will if y

Maybe losing valuable people is not affecting company straight away, but it surely affect the project. And with few project failing miserably (as they will if you do corporate waterfall) something might change. If not, then the whole company might fail. Remember, companies compete with each other, it just takes more time for some to fail.