Just an FYI for a site that is an outlier regarding
Rate Limit - max topics in first day
(SWI-Prolog Discourse link)
A while back I changed our value from 3 to 7 and noted I would give some feedback.
Since I changed it on 09/19/2019, (133 days ago), I have not noticed any problems related to this change.
The reason I noted I consider our site an outlier is that it is a small community and that most of the active users have a masters degree of education or more or the equivalent of related experience.
While we do get new users they act responsibly on the site. Also I spend so little time in dealing with spam, I can only recall having to take action only once or twice in several months of having admin rights and the other admins seem to like that I do more of the admin work, so I don’t think they are spending any significant time on spam either. 