“The rankings nourish the myth that the richest, most selective colleges have some corner on superior education; don’t adequately recognize public institutions that prioritize access and affordability; and do insufficient justice to the particular virtues of individual campuses.” …
They’re a good starting point. If you’ve never looked at colleges before, it’s helpful to have a vetted list of reputable schools that includes some indication of prestige.
Bruni makes a strong argument and a lot of very valid points. Unfortunately, most people will ignore them and continue to be over-impressed by the usual suspects.