A few of these guys ended up selling their accounts to whoever was bidding at the time, sigex was doing a lot of hacking for a while and was buying accounts at one point for a lot of cash. A lot of these people who got banned for scamming actually just sold their accounts.
x⁹ - ghosts, still manages it so go in there if you wanna talk to him
Blizzind - hacked, never came back
Jethr0x - banned for owning a botnet and dispute veto'd by FireZ so he's never coming back
Renegade - sketchy advertising and self-promotion, I think eventually hacked some people
Billyy - scammed
Angelmax - was actually a ban evader the whole time
sUffer - not banned
http://www.sythe.org/members/87417-suffer.html but account reset afaik back when mods were allowed to do that
Bring Me The Horizon - lol don't get me started on this fucko, scammed a lot
Darkspark - i forget but he was cool, had a kid and stuff so probably stopped giving a shit and did something dumb
Zypur - "undesirable", also still on ghosts if you want to chat to him, might have scammed too
Stuart - also no idea, also cool guy
Durial20 - i forget but i think scamming
Draucia - result of finn rampage, never came back
The Riddler_ - was a ban evader the whole time
Lysol - self requested ban, never came back
Macroman - scamming from a long time before he became popular, still an asshole if I remember correctly so who de fuck cares u get me