Hiring labor isn't like hiring a CEO or a doctor or an architect. Not this kind of labor, anyway. We're talking about a one-day safety class, with no prerequisites, as mandated by the government.
Imagine you were hiring for a job where one of the qualifications was "holds a valid driver's license". You wouldn't bring in 5x as many candidates as open positions because you assumed that most would have failed at that.
Imagine you were hiring for a job where one of the qualifications was "holds a valid driver's license". You wouldn't bring in 5x as many candidates as open positions because you assumed that most would have failed at that.