Some have gotten zotted. A couple of freepers are keepres of the 0bot troll list, quite a number of highly egregious ones got the boot.
Apparently a person has to be outrageous to get zotted. If you get on the Zot ping list you can get alerted to any zots. It’s actually quite cheering to be on that list, I got on not long ago. And not all bannings get on the list, some are quieter bannings. I’ve seen a fair number lately, not all 0bots of course.
;-)
I’ve never seen an Obot zotted. They’re all still here.