The entire problem with "Make <blank> Great Again" and business monkey dick-waving in general is that it carries an inherent assertion of success, while doing very little work to actually make that success happen. So it doesn't really make sense to brush aside the implausibility and analyze it in the a posteri context of "if it succeeds", any more than indulging the fantasy of a child saying "I want a pony". And sure sometimes such gambles can actually end up working. But that's more for debt/confidence based businesses where keeping investors on the hook can win significantly more resources. At the level of national leadership, such delusions are just ignorant.