Prejudiced users could vote their way into threads in order to support the particular details and rebuttals to which they subscribed.

Then you could use the data from the results to morph it into a dating site. Particularly twisted members could opt for the 'opposites' option. Or you could make it random. You don't know until you turn up for coffee - mwuhahahah!

People said that the internet would make the human race more open and tolerant. I have other ideas.