Having a Quality department in your business is like having a plunger in your bathroom. For the longest time it will just sit there and remind you that you spent money to buy it. But if something happens and you need it, by god you are thankful its there. A quality department is a higher risk/reward than a plunger but the principle of the situation is still there. People who argue against having a quality dept might not understand the implications of not having one but they will definitely understand what happens if the only toilet in the office building is clogged and there is no way to fix it. Teach them with what they know.