2 points. One, we're talking about higher prices for the same damn thing. Don't tell me it's for a better product cuz for the most part it isn't. So, we're talking inflation here, a higher price due to gov't intervention. Maybe not a lot, but then there's point #2.
The 2nd point is the retaliation. Besides the American consumer who is now paying a higher price, the foreign country's gov't can in most cases, raise a higher tariff on our stuff going there. Or they find another source for whatever we were exporting to them. So, we have some winners but also some losers here. Just because the tariff makes the imported product more expensive does not necessarily mean that Amercian consumers will now buy the domestic product. Maybe they find an alternative or go without. And whatever new jobs get created here by the winners could be offset by job losses by the losers.
Generally, tariffs and other protectionist measures do not reap the expected rewards we are told of. And nobody mentions the flipside when the other countries hit us with their payback. Read the history of what happened when the Smoot Hawley bill was passed almost a century ago. I'm not saying things will get that bad, but I think on balance it isn't the best way to deal with the unfair trade practices in other places.