« first day (1874 days earlier)      last day (27 days later) » 

9:46 AM
@Bellatrix Why not simply trying in the Sandbox?
It seems that they do work in chat: chat.stackexchange.com/transcript/1/2020/1/21
@JyrkiLahtonen Regarding the discussion we had about chat and new users - this bug (ond could also call it feature request) was marked as : Chat room “write access” option does not work.
7
Q: Chat room "write access" option does not work

ashleedawgIt 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 par...

 
 
1 hour later…
11:09 AM
Although from the wording it seems that the OP asks for a change of the description: "Even when this room is read-only or their reputation is too low, these users will be able to talk in this room." (Rather than for a change in the actual behavior.)
 

« first day (1874 days earlier)      last day (27 days later) »