> would've been a "newcomer track"

It's there now. Too late I guess. https://stackoverflow.com/help/what-is-staging-ground

>Staging Ground is available to two different types of users on Stack Overflow: > > - Users who are asking their first questions > - Users who want to review and offer guidance on newcomers’ posts

It looks a little different, like a "learn to use stack overflow correctly" type spot. I think what newbies want (I would have loved when I started out) is a "why is my code broken" type spot.