Yes, they work to tax the consumers in the United States. It might slow sales down in the other countries, but for goods where we depend on those products and don't produce ourselves to any extent like coffee, cars, or electronics, it is a tax transferred from the importer and store on to the consumer.
Data not shown other than word salad coming out of Trump's mouth. What is shown is that prices are higher especially for food with "Trump's tariff policy also played a role in the rise of food prices, some analysts said. They pointed especially to 50% tariffs on steel and aluminum, which have pushed up can and other packaging costs."