But of course he didn't really reverse course. There are still massive tariffs in place, and probably more coming, because no one has stopped him and they are a useful policy tool if you want to commit extortion.
However, it looks like the administration is so incompetent that tariffs aren't being collected or enforced at this time.
"U.S. shippers tell CNBC they have not been charged higher tariff rates on their containers, some of which came in as late as yesterday"
https://www.cnbc.com/2025/04/11/customs-reports-glitch-in-system-used-by-freight-for-tariff-exemptions.html