People sometimes communicate unclearly on purpose: * to avoid committing to some specific work. * to avoid revealing that they haven't done some expected background investigation or groundwork. * to try to cover up simply not knowing stuff. * engineers may overthink a question and the answers for fear of saying something incorrect, because almost everything is riddled with conditions and limitations. And sometimes in…
One time, after interviewing more than a dozen candidates for a job position, I was pretty much convinced that the people who gave the shortest answers were the most knowledgeable. The most verbose candidate was used as an example to the recruiting agency, "we explicitly don't want this" -- he was invited for an interview only because he had successfully bluffed his way through the recruiter.