Research has conveyed that there are 3 critical signs of a poor hiring process. First, an uncompelling job descriptions poses a significant barrier as they reduce the potential applicant pool. Secondly, weak applicant pools are a sign of a poor hiring process. Lastly, high withdrawal rates denote a poor hiring process.
See "3 Signs of A Poor Hiring Process", Cate Huston, Quarz at Work, March 16, 2020