I like to think about it this way: McIntire is a very prestigious program. They want a variety of students to apply so that they can get more people to choose from. If they post a profile then that would limit the diversity within the applicant pool. For instance, if they say that you need a really high GPA then most people would simply focus on their GPA and they would get a bunch of book worms. McIntire wants interesting people and posting a profile would certainly make it less interesting.