YES Subsidizing inefficient operations with taxpayer dollars is not only unconstitutional and immoral, but stupid as well. We might still be riding horses today, or at the very least it would have stunted the development of the motor car. The free market price system is the only mechanism by which consumers and producers can successfully communicate with one another which products and services are wanted, and which are not. This is not only bad policy, but bad economics. It replaces the decisions of consumers with those of bureaucrats and politicians.
People are better off with free trade than with tariffs.
YES Tariffs are taxes on imported goods. Tariffs on foreign goods have the effect of subsidizing domestic manufacturers by allowing them to charge higher prices without suffering the discipline of the market. Because foreign goods are now priced higher due to tariffs, consumers buy the domestic good, which they ordinarily would not have chosen. The desires of consumers to purchase a better or cheaper product is thwarted by politicians who want to reward domestic manufacturers with a subsidy, usually as a device to gain political support. You are forced to pay more for what you want, or make do with an overpriced and inferior product.