Does the advanced user tutorial still exist?

Or, change it to your suggestion:

`@%{discobot_username} %{reset_trigger} {name-of-tutorial}`
 > Starts an interactive tutorial.  `{name-of-tutorial}` can be one of: `%{tracks}`.

(pull request: Clarify how to start a tutorial by nedbat · Pull Request #7944 · discourse/discourse · GitHub)