(from LH thread) "There were 5 until 2 were disassembled so that the 3/4 plywood could be used elsewhere (doh!......)" Ouch! that's like burning $100 bills to warm your hands!
What that is, is an indication of their value to their owner. That is the reality, don't be fooled by the value interjections of the armchair quarterbacks who are neither selling them, owning them, or buying them.

Local demand for A4 systems in upstate, NY couldn't get much closer to 0.

Get some shipping quotes for 7 foot tall 350lb speaker cabinets.

At the end of the day the value of those empty cabinets does not exceed the value of the plywood they're made of except to a very small handful of people, none of which live upstate.