Tariffs went out of vogue when people learned how to negotiate.
President Donald Trump was handed a thriving economy when he took office, but in the course of his previous career he accomplished three bankruptcies and the loss of over a billion dollars in the 1990s; that doesn't speak highly for his financial acumen. My dollar against your dime says he'll manage to send the economy into the dumpster before he leaves office. Super egos do not get the job done.
Or as a friend once said about the outfit we worked for: "They could screw up a free lunch."