These clowns have been doing this for years, someone got sloppy, and blew the roof off of this, when people started putting 2, and 2 together.
Namejet is claiming some sort of privacy law issue or something, but when does namejet follow the rule of law, they are just a marketplace exchange afterall, as they state it. When it is ever so convenient for them they tend to reinvent themselves into something else.
If you are going to bid, know the usernames that are not so kosher, and know the usernames that tend to bid up, but never win. If anything is fishy, just back off, and most likely you will see it being reauctioned three months down the road once again.