I agree that low conscientiousness is probably a showstopper, but conscientiousness alone isn’t nearly enough. You also need 1) a workable plan 2) that enough people can be convinced to endorse, plus 3) the skills to effectively convince people of the virtues of that plan, 4) the leverage to overcome the opposition it generates (which it will), 5) the timing to be there with a solution when society feels the need for a solution and 6) the luck not to have unexpected events make you irrelevant. Most people lack any of those things, and you will need all of them. Otherwise you wind up like Hillary, a talented woman who worked her whole life for a one-sentence mention in the history books.
I agree that low conscientiousness is probably a showstopper, but conscientiousness alone isn’t nearly enough. You also need 1) a workable plan 2) that enough people can be convinced to endorse, plus 3) the skills to effectively convince people of the virtues of that plan, 4) the leverage to overcome the opposition it generates (which it will), 5) the timing to be there with a solution when society feels the need for a solution and 6) the luck not to have unexpected events make you irrelevant. Most people lack any of those things, and you will need all of them. Otherwise you wind up like Hillary, a talented woman who worked her whole life for a one-sentence mention in the history books.