They used to indicate the number of users online. Usually, it was about 70. A number who wouldn't be able to make the volume posted by Jollygood or the continuous small trades.
But I think they removed this information.
The issue of taxes is well remembered. If they report that volume, their taxes most be compatible with it or they will be in trouble.
If adding tax investigations to the equation, surely the Italian authorities would be even more interested in these scammers.
What is the latest news regarding your complaint?