Earlier quoted context omitted.
It's interesting that the newest genre on there is trap from 2010. I'm trying to think of newer styles, the only one I can come up with is the so-called "hyperpop" by PC Music, Sophie and 100 gecs. But that's been around since 2012 or so. I'm guessing it's a combination of factors: 1) Playlist culture negates the need for a clear taxonomy of music 2) It takes a few years of hindsight to recognize what is a real genre…
It's not up to date by any measure. There are new electronic genres popping up yearly, and usually it's the opposite of what you describe. Usually one artist does something new, quickly gets labeled and then the copycats start up. It's almost a branding exercise. Genres come and go as you say, and technically most genres are "hype" as they tend to last only briefly. There's nothing unique or new about that. I don't u…
Do you need a bin for "red"? Or a bin for "2x4"? Or will there be enough for "2x4 red"? Should this new "red hat" become it's own bin, and if so is it "hats", "red figure decorations" or "misc"?
You don't really know until a bunch of the same things come in (or don't), and guaranteed you'll get a bunch wrong along the way.