Achieving yourself and seeking fun in work comes after you put food on the table and provide safe home to your dependant. The question for many is not whether providing better teaching, better healthcare, but to provide teaching or healthcare at all if you loose or give up your job.
I'm not saying those are the choices you are making. But on the other hand, a lot of people are but cognitive dossonance prevents them from seeing that.
Lookup "The Banality of Systemic Evil" and "Matthew Effect" for more thoughts.