1. Modern clothing is terrible, plastic filled, hardly resists multiple washings. This isn't the 1990s/2000s anymore where you could buy mid budged solid apparel and keep it forever. The gold existed, up to pre COVID. But since then and the rapid spread of fast fashion collecting cloth wastes is a bad business.
2. The market for vintage quality clothing is super strong and booming. You don't need to export it.
3. No fashion brand wants to be anywhere near associated to clothing the poor. It's a pr disaster.