That's a very helpful bot but most people don't know about it because they don't see any post about it and the forum administrators hasn't made any official announcement about it.
The bot is not an official forum solution, but rather @piggy’s witty contribution to a feature that was asked for, and could be resolved externally to the forum itself. It is not likely to be announced officially, especially if the code is not controlled by the forum itself.
I’ve been using the solution since September 2018 and it works very well. I’m using the solution that requires a thread on
Archival (not the Telegram solution). For some reason, I don’t always get the forum’s email notifications. That means that I may not receive a notification related to a given the posted message from @Maggiordomo (the bot’s forum account), indicating that I’ve been quoted. To overcome this, I normally leave a tab opened on my browser with my Archival notification thread, and refresh it every now and then in case the forums notification didn’t get through.