Regarding the missing ones, I found two more following the pattern (the latest still posts a lot, but he uses more diverse boards -- maybe the AI got smarter 
):
- g2ingoin - https://bitcointalk.org/index.php?action=profile;u=2851756
- PhoNam - https://bitcointalk.org/index.php?action=profile;u=2850878
):- g2ingoin - https://bitcointalk.org/index.php?action=profile;u=2851756
- PhoNam - https://bitcointalk.org/index.php?action=profile;u=2850878
Added. PhoNam seems to make longer and more human-like posts and even got a merit
so I put this user under the less egregious.So far it looks like the few bans on copper accounts cooled this wave off.