Public health is all about doing the best we can for actual people, not a statistical and anonymous horde that exists nowhere outside of actuarial tables. That doesn't always align with the greatest profits for some large corporation. In fact, it almost never does, because of the time horizons involved.
For college students, possessing a realistic expectation of their career at a company is extremely difficult because they have never worked in the corporate world before. Sure, many college students have had internships and part time jobs before, but it is not the same as being in a full-time career.