In theory, yes, but there's also an insularization, where the older posters who got there first and accumulated clout inside of the group now actively prevent new users from participating until they have completely consumed the knowledge of the group, and even then they might still be excluded just for having an account that isn't old enough or that hasn't generated enough value to the group.

It would be like having to read and parse every book in the Library in order to get feedback on your short story, and half the time the reviewers will just throw your story in the trash before even reading the cover.