The topic suggests numerous variants of confounded study design and bias.<p>- Solo founders may face a steeper selection curve, therefor more bad ideas are weeded out.<p>- Conversely: multiple founders might get an easier pass.<p>- Investors might jam together multiple founders who are poorly suited.<p>- Solo start-ups face lower costs, and have a lower minimum altitude.<p>- Coordination problems. With only one person, you've got fewer disagreements over what to do / how to do it.<p>That's based on reading the article, but not the research itself.<p>(Thanks to dang for the title rewrite, the article's headline is torture.)