Obviously any company that hopes to become successful must face the reality of the economics of running a business. And this only possible with good competitive position in today's quality dunamic markets.
Improvement is the business of quality department.
But ideas has to come from everyone- from downright to top most. Quality department has the role to oversee that every reasonable improvement suggestion is implemented. It can be compared with project management. If Quality department fail in this project management, employees will lose confidence in the quality department. It is the torch bearer of improvement process.