True, though there must have been "someone" to tell "everyone" (in a kind fashion, mind you) when "anyone" went astray.
Then, it could be overwhelming at times, such as when the folks, sometime in 1789, did not have a good chat with their coach in etiquette and protocol:.
Besides they had no handy blogs;
or Royal websites to which they could refer:
They only knew books and were new at the whole court game (tennis court oaths notwithstanding).
Like staff work, such stuff was just "known" and only needed to written down by the revolutionaries and those who came after them (read Thiébault's preface and Grimoard's snippy retort in 1809). That another topic, though. - R