I've always wondered if it means young in age, young in sobriety, or people who get sober young which is the group I belong to.
I think if it is the first two then we all will eventually be disqualified from going and the group will lose a lot of experience. I take it to mean the latter so I still go to yp and I love it. It is really fantastic to see other youngsters get the same thing I did. And looking around the rooms I see a few other older youngsters who feel the same