I disagree terrifs can work you have to apply them properly. An trump is a man with many masters so no way he is going to get that job done. He isn't going to be able to apply them objectively with so...
Work at what? The question here is not wether it can work or not. Their goal is to bring back product at home. Artificially creating a market with tariffs will, eventually, do it and essentially "work". But the question is wether or not this is good.