It is an open secret that the most selective U.S. colleges largely admit the children of the wealthy. Graduates of these colleges go on to be greatly overrepresented among the ranks of the economic and political elite. It is a system that perpetuates class hierarchy within and across generations.
Public shaming will do little to change it. To paraphrase Upton Sinclair, it is difficult to get an institution to understand something when its endowment depends upon not understanding it.