Do people still not know how tariffs work? JFC. There's a reason tariffs haven't been used as a major form of trade control since the 19th century -- they don't work.
We're no longer in a world where anybody can just build a factory and start cranking out shit. We live in an interconnected, global society where our supply chains are strung out across the entire planet.
Some things we can't get here. Some things we can't make here. Some things would be prohibitively expensive even if we could.