It is strange though that in a country where there is at-will employment one is basically told that hiring the "wrong person" could destroy the company or somet

It is strange though that in a country where there is at-will employment one is basically told that hiring the "wrong person" could destroy the company or something and so the interviewer has to make really really really really sure that the candidate is absolutely ok. What it does is destroy the recruiters reputation and KPI charts.