Yes, but what surprises me is that HR is not that smart usually like you are saying, they don't think out what is in the best interest of the company but rather

Yes, but what surprises me is that HR is not that smart usually like you are saying, they don't think out what is in the best interest of the company but rather usually just side with a middle manager's opinion, at least with big companies. With smaller companies, execs are more in touch with line managers and employees, they still look after the company period but at least it is not a wasteful kelptocracy.