I don't know any name for it, but it's well-known in economics.

If you want a new, unused hard drive, drop by my office, there's one on a shelf here. It was bought for a sensible reason. But selling it, or finding someone I could give it to, isn't worth my while.

So someone has a pallet of Dyson fans on a shelf in a warehouse in Dunfermline, and for whatever reason the time/effort/money costs of storing it there or shipping it elsewhere outweigh the likely income from selling it later.

I'm a bit surprised that Amazon doesn't operate a market for that kind of thing. Bulk Marketplace, no returns, no warranty, FOB Amazon warehouse. Or maybe it does?