Is it a strong criterion that applicants you admit into the program have a (clear) path to building billion-dollar companies? Or do you give more weight to solv

Is it a strong criterion that applicants you admit into the program have a (clear) path to building billion-dollar companies? Or do you give more weight to solving important problems? In other words, does ROI trump problem-solving, and if so, are teams tackling niche problems at a disadvantage?