In my experience it was less a lack of intelligence and more results-oriented thinking (they thought we were wrong so they found a way to argue it). If you hav

In my experience it was less a lack of intelligence and more results-oriented thinking (they thought we were wrong so they found a way to argue it). If you have twenty versions of a thing and multiple deployments to fix and fine tune it, that means to this person there are 20 plus examples of "mistakes" you made in building it. They were looking for evidence that the software was built with "poor quality controls" and ironically interpreted iteration as evidence of poor build quality.