"Unfounded conclusions" refers to judgments or beliefs that are not supported by evidence or facts. These conclusions are based on assumptions or personal opinions rather than solid reasoning or proof. Full definition
It was not peer - reviewed and was criticized by leading polar bear and Arctic ice scientists for containing «no new research» and drawing unfounded conclusions. (heatisonline.org)
When bonds between people who are close to one another — husband and wife, father and daughter, brother and brother — break down, what hope is there for the rest of us to understand one another, who live on different continents and speaking different languages, filtered through a media culture that frequently get the facts wrong, or jumps to unfounded conclusions based on pre-existing stereotypes? (qwipster.net)