@kingu_platypus_gidora Of course, but I believe you may be a little too involved with the subject matter to have a clear view of the bigger picture. In the West teenage bands/artists are clearly marketed towards teenage audiences, and they don't replace older members by younger artists to keep on the same aesthetic brand over time.

What I said is a generalization as well. Bands like Perfume or Shonen Knife (is it idol anymore?) don't tread the line I mentioned, but Band-Maid, Baby Metal and BiSH, absolutely, regardless of their musical talent which I don't dispute.