The worst thing about them seems to be that they accept reports about private persons, who are much less likely than a business to have the funds to pursue false claims. It is also clear that their attitude stinks. To quote a recent Forbes article on Ripoff Report [1],

>Asked about a comment alleging another woman had herpes, Magedson responds: “This f—— broad probably did something.”

Edit: And look at the comment section on that article.

[1] http://www.forbes.com/sites/adamtanner/2013/05/09/love-it-or...