There have been multiple accounts created with the sole purpose of posting advertisement posts or replies containing unsolicited advertising.
Accounts which solely post advertisements, or persistently post them may be terminated.
Xylinna , 1 year ago This doesn’t quite answer your question but has some info on defederation - lemmy.world/post/149743
This doesn’t quite answer your question but has some info on defederation - lemmy.world/post/149743