Not every posted open position will be filled. Some of those postings are the equivalent of lowball bids. They are opportunistic. Some are critical and must be

Not every posted open position will be filled. Some of those postings are the equivalent of lowball bids. They are opportunistic. Some are critical and must be filled at any price. The vacancies number does not capture the difference. I wonder how that shakes out in retrospect. Jobs that never got filled were not real vacancies just as "I'll give you five dollars for that car" does not make me a customer.