A couple of things come to mind regarding this.
1) Craiglist is awful. The cloak of secrecy isn't worth the dollars you make. VarageSale or Facebook Marketplace allows you to see and vette on a personal level.
2) I thought that Vanderbilt was supposed to have Academically superior students. I'm being dead serious. Between Matthew Fisher-Davis, these guys, and the alleged criminals on trial, I am seriously wondering if this is true.
Yes, any program can get into trouble and people can be stupid but there are a lot of bad decisions happening by a lot of "smart" people.