Yeah, the 6 sold were several years ago.
I am willing to bet - seeing they list it as out of stock, it is merely a placeholder - you cannot even bid on it. why they put such a stupid price on it while out of stock is anyone's guess - maybe they will bother finding you another for $5K?
Their feedback is interesting to read. Seems like a peddler of defective Chinese goods. Kind of like Sam's Warehouse old rationale.