That's a cool story you can tell your kids before bed but the reality is that when you include imports the US/EU emissions are stagnating or going up. It's easy not to pollute when you import most of your things from abroad.
Those data are moment in time. See one of the child posts for what you're talking about -- and in terms of trade corrected emissions the US and Europe turned the corner even earlier.
https://ourworldindata.org/grapher/imported-or-exported-co-e...