This is absolutely true and sad, though I get a lot of free electronics to dismantle by rummaging through trash. People have no appreciation of the value of “used” items that either work perfectly fine or have a minor issue that prevents them from working but is easily fixable, e.g. a broken cable (I have many working devices that were thrown away because the cable is severed, which I could easily fix). I think only proper education in this regard will improve things long term.