The biggest reason you didn't hear about it is probably because most of the players from its high point ('06/'07) aren't around anymore, but as you can see from the video, it was around for quite a while.
That's quite right, of all the names you cite de Zorro is the only one that rings a bell. When I started in Ohnar West the big honchos were Louis Lious, Cornelius Hsieh, Balthazar Bathgate and Hamilton Vita. I got quickly involved in the Akadian League, and no one referred at all to Lasanar then.