I fully support Veleor's idea. We all have to define the starting point when it was customary to leave negative feedback to account sellers.

I have a very negative attitude towards selling and buying accounts. In my opinion, all account sellers should be painted regardless of how long the account has been hibernated.  There is a possibility that any dormant account can be sold at any time.

I also believe that in some cases negative feedback should be left to users who are interested in buying accounts and are asked to write prices in PM.