> Nobody would buy new shoes or donate old ones if the marketing said "In order to reduce waste, we are going to resell your used shoes in Indonesian flea markets". (There is one "reduce" idea, ha!)
This is the entire business model of Goodwill, Salvation Army, etc. These companies and non-profits take donations of old clothes, try and sell them locally, and then cycle them through other markets if they can't sell them locally. It wouldn't surprise me one bit to find out that the tees I give to Goodwill end up in an Indonesian flea market, and that knowledge would have no purchasing effect on me.
Even beyond that: plenty of high-end/luxury brands have old/vintage resale processes. Patagonia is somewhat famous for theirs[1].