Allows malicious people to publish lies about web sites, makes no effort to verify false claims about virues/malware/hate-material/etc, and provides no facility to remove false claims.
99.99999% of the ratings on this site are UNINFORMED. Seriously - how can any web visitor *really* know if a web site is trustworthy or not? They'd need to personally know the character of every person involved in running the site before being qualified to rate it!
I am glad that a service like WOT exists. Helps a lot of people getting the right information about the websites they visit and helps protects them from scams and other trouble that is prowling the internet of today!