Unpaid internships were designed for students to get valuable training outside of the classroom. Some professions require supervised internship hours toward graduation and licensure. Unfortunately, the internship seems to have evolved into a default position that job seekers take to avoid not having anything at all. This is a problem, and it is also in some cases illegal.
The Affordable Care Act is now law, and in spite of the various technical glitches, Americans have been signing up, so that they may enjoy access to healthcare when they get sick. For some people, this may be the first time they have ever had health insurance. Now, there is a push from conservatives to change the definition of the full-time work week to get employers who do not want to offer benefits off the hook.
Many students graduate with epic amounts of student loan debt -- unless they attend one of seven work colleges in the US. These colleges require students to be employed at the school in any one of a variety of roles, both to earn money for tuition and to gain real-life work experience as they go, thus making college more affordable.