Many are - pretty much entire EV and battery industry runs on slave labor
But you're right not everything
Discussion
So then to your point, maybe tariffs on slave-labor materials will reduce the occurence of slave labor. This is a good thing, right?
For example, EV buyers are complicit in supporting child slave labor.
Yes, it's good for slave laborers
But bad for consumers who want cheap EVs
And many other products too, shrimp and vanilla are also examples
