I don't think it does, but in terms of absolute numbers, if a hundred 25-year-olds are hired, how many will stay for > 5 years? Because those ones will become

I don't think it does, but in terms of absolute numbers, if a hundred 25-year-olds are hired, how many will stay for > 5 years? Because those ones will become extremely valuable to the company. Especially a company that has eg a 6 month ramp-up period.