Because they are not going to be “dumped” on the market. They will be used as as stick to get the countries to “move” in their negotiations.
People have to stop focusing on the bluster, and more on the actions. Trump used tariffs effectively the first term. Why would it be different now?
Were tariffs really successful during Trump’s first term? Farmers got a bailout of over $30 billion in a single year and 245,000 manufacturing jobs were eliminated.