That's a good point. The reason for it is because this service came about from our previous Facebook pages we created for colleges that ppl could use to do essentially do the same thing. Every time someone makes a comment you can see who it is, allowing people to learn about each other and socialize in the comments, around the confession. The posts basically allow ppl to meet new ppl.
Here's some of of those pages:
http://facebook.com/mruconfessions
https://www.facebook.com/UofCConfess