Unions can care about whatever it is their members care about. Workers often care about not throwing the people who use their products under the bus, or at lea

Unions can care about whatever it is their members care about. Workers often care about not throwing the people who use their products under the bus, or at least those who are paid on salary have a less strong financial incentive to throw people under the bus than shareholders, and thus in many cases may be able and willing to exert a positive influence.