They're not only purchasing, but they've built an entire local industry around it. This is not "EU member states paying African countries to take in rubbish", this is African businesses buying deadstock and recycled clothing and making a living out of them.
No one in the west reads anything but the most sensationalist bullshit so you can't blame reporters for writing it.
The real story is just never interesting enough.
'"It's never too late to improve," says Prof Bengio of AI's current state. "It's exactly like climate change.'