I’ve sometimes wondered whether people outside the qualify profession see it as a potentially negative, narrow focus on just trying to find things wrong. Meanwhile, those who have made it a profession are more likely to see it as one with endless opportunities to learn and contribute to the success of the organization and its employees, customers and suppliers.
Perhaps this difference is because quality is not a single field, but in fact the integration of knowledge from many fields of science, technology and management. This can be seen by looking at some of the quality gurus and their more well-known contributions: