Also, my goal is not only for mods to delete the posts, but probably also a source of members for campaign managers to add to their blacklist.
Plagiarism is a bannable offense by the rules, so plagiarists will probably get banned and not only their posts deleted if their posts were plain copy/paste.
33. Posting plagiarized content is not allowed.[e]
....
33. This includes both copying parts or the entirety of other users' posts or threads and copying content from external sources (e.g. other websites) and passing it as your own.
Sure it's definitely listed as "not allowed", but are you sure it's a bannable offense and not just the thread being deleted? I'm really not sure.