While I don't totally disagree, physical items add some practical issues due to their individual scarcity that digital ones don't have. What actually happens w

While I don't totally disagree, physical items add some practical issues due to their individual scarcity that digital ones don't have. What actually happens when my car goes back into public domain? Is it just fair game for everyone? Does someone from the govmt come to pick it up? Would there be some kind of library-esque system for all public domain'd property?