Really it's up to you if you want to put him/her in the bl thread, personally i wouldn't. If the incident happened on my server I'd just blacklist them from it and that would be the end of it. They'd no longer be a problem for me. In fact I wouldn't even go that far, I'd just kick them, and ban them if they came again and did the same.
I think to end up getting blacklisted on loads of servers is a bit harsh for what he/she did. Although I'd say that about most blacklist entries, I think anything other than hacking doesn't deserve a blacklist.
But as I say it's up to you. If you want to put them in the bl thread that's your decision and if server owners want to put him/her in their bl that's their decision.
I think to end up getting blacklisted on loads of servers is a bit harsh for what he/she did. Although I'd say that about most blacklist entries, I think anything other than hacking doesn't deserve a blacklist.
But as I say it's up to you. If you want to put them in the bl thread that's your decision and if server owners want to put him/her in their bl that's their decision.