What reasoning about the facts surrounding an applicant is not "bias"? The term "bias" usually implies "unfair bias", like a lower likelihood of hiring some bl

What reasoning about the facts surrounding an applicant is not "bias"? The term "bias" usually implies "unfair bias", like a lower likelihood of hiring some black, all else being equal. Being an ex-enterpreneur isn't like being a woman, or black; it's a relevant piece of job background. Would that person rather continue to be an enterpreneur? Are they here because they ran out of money, or got spooked, or burned out or whatever?