You're a lot less likely to get retaliatory tariffs when you're communicating to manufacturers that you intend to raise your $nicheproductclasses tariffs to support domestic manufacturing under industrial strategy and national security policy than when you announce blanket tariffs with threats. The US imposed 100% tariffs on EVs last year for example[1], which wasn't exactly a universally popular move but wasn't likely to provoke a trade war. Much easier to accept losing share of a market than every market, plus also less likely to accidentally punish the manufacturing industries you're trying to support.

[1]there's a certain irony in one of Biden's last actions being to impose tariffs in a way which massively helped Tesla, and one of Trump's first being to propose tariffs that could seriously hurt its supply chain if they don't get exemptions...