The unasked question is why does university need to be expensive so as to create what is becoming now a deep class divide in the society causing the dumping of increasing number of youth into the "service" economy. Thus destroying the value that society could have obtained from them had they been given a chance at an education.
A University's revenue is basically defined by it's capacity, which means that lowering tuition doesn't let you "win" in any sense of the word.
The huge boom in EdTech startups is partially attributable to tech allowing for the easy dissemination of information, but has even more to do with a huge unmet need for talented developers in a culture that isn't particularly concerned with degrees. All we're seeing now is the logical conclusion of those forces playing out.
