I used to be a member of that list. Those guys speak in code in their posts, and I once innocently asked to know what it was they were reporting. I got BLASTED on the list and told to leave and go find something else to do with my spare time. I stuck around anyway, hoping to get some additional info. Then, I asked (in plain english) what happened to E10 (Lincolnshire Poacher) and was blasted again for something I could not understand.
If you don't know the lingo they use, or you can't keep up, they don't want you. But how do you learn the lingo if they don't teach you??
I think I had a lot to offer the group too, since I was somewhat involved with the transmitter site of a number station long ago. Screw them! I'm taking my info to the grave with me now.