No action was taken against these people before the merit system "although it is easy to create a lot of high-level accounts" so do not expect anything happens now.
@theymos I think we should reconsider the rules regarding account selling and buying.
He can deactivate signatures to resolve this issue.
AFAIK that's where all the black market deals are going on like merit trading, account selling, etc...
All of these deals are dangerous, especially since accounts that exchange merits or selling account can be tracked easily.