People trust Facebook too much.
Considering the amount of wall posts, seen everywhere, ‘bout how the wall owner has a new crush, has become the latest target of hateful words on a blog post, or how their friend* has become a demi-god in bed and here’s how to do it too! there really isn’t any other explanation: People are stupid.
* On a technical note, I wonder if the process actually looks through the list of mutual friends and picks a random male…