Wow what a little rabbit hole. I think the confusion rightly stems from the missing update to the setting name (educate_until_posts), because, afaik, in PR#400074 it seems to intend that the notice is only shown once, and never again, regardless of any count.
So now the setting no longer means “show the message for the first N posts”, but instead
“Only ever show the education message if the user’s post count is already below this threshold, and even then, show it exactly once.”
@Roman Am I correct to think we should update the copy of this setting?
The main motivation behind this change was to stop the education message from showing up over and over again. But now that I’ve seen this topic, I think I may have gone a bit too far, since it kind of makes the setting irrelevant if the message only shows once.
I’ll take another look and see if I can find a better middle ground. Will update here once I do.