I left a job partly because I felt too dumb to understand the use cases for the product I was writing code for (extremely high-end Test & Measurement). It's ve

I left a job partly because I felt too dumb to understand the use cases for the product I was writing code for (extremely high-end Test & Measurement). It's very uncomfortable. Maybe not the same kind of "understanding", but this kind of thing can extend beyond morals, at least in my experience.