I wish I were with some of the wild people that run in the woods, and know nothing about accomplishments!
Some of these kids just don't plain know how good they are: how smart and how much they have to say. You can tell them. You can shine that light on them, one human interaction at a time.
A more important reason is that the bands will intuitively trust someone they think is a peer, and who speaks fondly of the same formative rock and roll experiences.