Since you posted this with the "Public" boundary, everyone can see it, and it is specifically shown to your followers, the followers of +Tropic_is_no_fun and in the "Local" feed.
@Tropic_is_no_fun @vera @ivan @mayel Will it be possible for anybody to create a sub-topic? Will subscribers to the main topic be notified of that sub-topic being created? I think there is some potential to malicious/adversarial sub-topics...
I can see it...
This is a bonfire demo instance for testing purposes
Manual federation enabled