Some of the prominent members have traded accounts in the past and they have accepted that in due course and refrained from that practice and the users who get tagged now cry about the double standards which is being shown, the solution for this is to have a transparent system (can open an sub forum with a moderator to monitor that) where every traded account is published here when they are changing hands and those who are not revealing those trade must be tagged.
The accounts that are traded are for two reason, either to enter campaigns or to scam people .
With the current merit system you cannot farm accounts like they did in the past without making a valid effort and people who farmed accounts in the past had the nerve and time to do those activities and there is nothing that can be done and so is the reason i am suggesting this .
They have although time period and the viewpoint of the forum has to be considered. If it was an acceptable thing to do back a few years ago you shouldn't really be able to tag them. I give the analogy of breaking national laws:
1. You download pirated videos which is not illegal at the time
2. The government bring in a law which makes pirating videos illegal
3. You stop downloading pirated videos
This scenario above is a little similar to the prominent members. I can bet 90% that most prominent members are no longer selling or buying accounts and that they only did it in the time period of it being acceptable.
Although having said this I disagree with the sub forum suggestion I don't think forum accounts should be allowed to be sold first of all by forum rules however if this isn't going to change I still think we should be against forum account sales. However to remain fair and taking the government law change analogy into consideration establishing a date where it was no longer acceptable behavior is the point in which we should be negative tagging everyone. What we do with previous left feedback is a tricky one and we have to consider that not everyone is going to be behind this including those on DefaultTrust. At the moment we know that anyone selling accounts today will be marked red but the grey area is how many years ago did account sales become negative worthy and do we consider the reputation and the latest actions of the members that have previously sold forum accounts years ago.