It does no good to complain about the quality of material or expertise being offered on the online auctions. There is so much big money behind it all that you will not change things by complaining. Deaf ears will be turned to you. These examples will not go unnoticed, and you can help to educate the bidding public, thereby solving some of the problems about which you are concerned. I know of a number of cases in which this was the case.
People get angry.
They can piss money away on eBay for ages before they find us. This is the kind of issue we are considering in the current debate about the Website.