It is difficult to overstate how mistaken this article is. College has mostly gotten more expensive because state support for public universities has dramatically decreased, from over 80% in the 1970's to less than 20% now. Since the taxpayer no longer pays for public higher education, the student does. The logic of this made some sense at the time; very high tuition subsidies were a gift to the upper middle and uppe…
Has the inflation-adjusted cash value of that support decreased, or the fraction of the costs it covers? "80%" and "20%" makes it sound like the latter. Because if it's the latter and not the former, the cause isn't declining support, it's increasing cost.
In addition to this, student enrollment has increased, so per-student taxpayer funding has not kept pace even as taxpayer funding for public universities has gone up relative to the overall population.