No matter how many facts you lay on a person, there are some who are just fine and dandy believing what they believe. There was a Reddit thread that came out with people dishing some real hard facts about everyday stuff where there shouldn't be a dispute or argument on its validity. Yet, somehow one of their friends or coworkers decided to argue with them on the matter anyways. Sometimes it's just hard letting things go.
Here are some facts that resulted in some serious disagreements for a few unfortunate people.