This is also a symptom of a corporation not having dedicated QA people. Sure, developers and product owners can check stuff, they can even read code and find bu

This is also a symptom of a corporation not having dedicated QA people. Sure, developers and product owners can check stuff, they can even read code and find bugs there. Amazing, we don't need QA then, right? Well, that's what we can sometimes get without QAs - an amazing code which actually works and works better than competitors. It just sometimes break in the areas not tested sufficiently or at all.