On Serious discussion and Ivory Tower it's the same logic but that's for below Full member rank. So everyone can see the post and activity count but they can not see the posts that they are not allowed to access.
You are wrong here.
Posts made in "Serious Discussion" and "Ivory Tower" boards don't increase your post count at all. It
For more information, see the post made by below.
- Posts in Serious Discussion only activate a potential-activity period. They do not increase your post count.
- Posts in Ivory Tower neither activate a potential-activity period nor increase your post count.