As much as I love these songs, that does seem kind of uncharitable to glam. It’s definitely a departure from hair metal, but the glam artists of the early 70s practically paved the way for this sort of music. The subject matter isn’t terribly removed from the sort of thing that Bowie (circa Scary Monsters) or Lou Reed (holy shit, Kill Your Sons) did twenty years earlier (and arguably more authentically, as both of the works listed were largely autobiographical). Mamasan is amazing, but I think that glam deserves a slightly better status than you’re assigning it.