Recruiters don't call up a business and just ask "how was X at their job?" They are given a list of referrals by the candidate. I am talking about situations wh

Recruiters don't call up a business and just ask "how was X at their job?" They are given a list of referrals by the candidate. I am talking about situations where a toxic boss may say negative things for personal reasons. Currently, the candidate can filter out these by choosing people they assume will give positive reviews.