Why do interviewers see attitude and personality as job “skills”?

Attitude & Personality is very important for a candidate as well as interviewer is also looking & most prefering, candidate who having good personality and working attitude.Who can easely set in the organisation.   

Shortly, because if you didn't have nice personality, very polite attitude , the employer assume that you can't implement any business, in which any bsuiness depending on the nice Chrisma,attitude & professional behaving.

Personality is a precondition to job and adjust the organization values whether he or she  is fit or not. Interview board assesses the candidates attitude to entering, departing and presenting the interview.