It doesn't seem plausible to me that "why did you apply" is like an idiomatic expression. Where would it come up outside of a job interview? Are you saying that

It doesn't seem plausible to me that "why did you apply" is like an idiomatic expression. Where would it come up outside of a job interview? Are you saying that a non-autist would not get it in the first couple interviews as a young person then pick it up?