Trump did start it but Biden continued and extended it. The neoconservative Project for a New American Century - for a long time a marginal position - has become consensus. This is America's Trade War
In contrast, Trump's approach of having the US piss off our 4 biggest trading partners simultaneously is both terrible and terribly stupid. Even just the threats (or blathering trial-ballons of "very fine people are telling me I oughta") will still affect companies' choices of how and where to structure their supply-chains.