It was nice to discover the option for a room owner to add any user to a room, even if their rep is too low.
...so I notified the user in question, and as instructed on the next screen, I had them got to
chat.stackoverflow.com so that I'd be able to add them.
...but when they did their part, and I did my part, I got the message:
Obviously both frustrated, the user's next logical question was:
"So I just have ask a couple questions and get someone to upvote them, right?"
Needless to say, we don't want to encourage new users to post questions for the sole purpose of bypassing a frustrating, misdocumented rule.
I realize this will likely quickly get closed since it has at least one duplicate - which hasn't been touched in 5½ years. However it would be nice if the issue was revisited:
Ideally, it would be cool if RO's did have the option of deciding who had access to the room they "own", but short of that, is it possible to remove the 6 "misleading" words from that page?