I think it is obviously a moral issue but also an economic issue, and some of that is due to all the reasons we know. Modern-day slavery and forced labour are awful. For the countries that practise it, it also means that goods are cheaper in those places.
For instance, in the world of critical minerals, much of the world's cobalt is harvested by enslaved children in Congo and other places in sub-Saharan Africa. All of that is awful, and we should fight it for all of the right reasons. It also reduces the global price of cobalt to a level below what the market should be paying, and that is bad for us, frankly. I don't like to put it in those self-interested terms, but it is all related.
It's essential that we address those issues. It does make trade more expensive and does make commodities more expensive, but that is part of the point.