Vidéo Phénomène Manga - le cosplay

http://www.france5.fr/bd/index.php?page=bd-bande-dessinee-videos&id_document=949

how could it make fashion if it's not in fashion?
i guess it's trying to say that it's been in the culture for a while that it's been widely accepted and not to be regarded as a phenomenon that will die out after the fever. how very positive and accepting are the french, one may think...