@koyu @Gargron Facts aren't always binary. Sometimes facts can oppose each other and sometimes even major news outlets make a mistake. Even intelligence agencies have made similar systems and failed in doing so.
I doubt you can solve this problem by means of algorithms.
It's up to people what to do with given information and how to process that information themselves.

Also I'm really scared this becomes similar to "reddit up/downvoting" which is based upon personal opinions instead of facts.