Sources matter: Therefore, because of this, is illogical, and it's wrong
When you take a college level course in introduction to philosophy, you learn that there are certain types of arguments that are built on falsehoods, also known as fallacious logic. They include, but are not limited to: Post Hoc Ergo Promptor Hoc , the "therefore, because of this" argument. Straw Man , where you attack by twisting your opponent's position and words Ad Hominem , Where you attack the other person instead of building a sound argument for yourself. In genealogy, the culprit that people will use, or in reviewing other people's work find, is the Post Hoc Ergo Promtor Hoc. What a Post Hoc logic statement does is allow people to make a conclusion based condition, instead of making a conclusion based on a review of verifiable evidence. So when you draw a conclusion based on a trend, or a pattern of repeat, and think "Well 'this' is true because in the past 'that' has happened to others. Therefore it has to b...