Because about 25% of Americans have a college degree, if you dont have one you are at a disadvantage.
It might be the Enterprise is the largest employer of college graduates, but if you are not a college graduate, they are not hiring you.
I do believe that a YU/Stern education is not really worth the $31K a year ($120K or more total) but an education from CUNY (Queens, Brooklyn, Hunter) is about $30K you will almost definatly get that back