Apple music is only geared toward minorities and whites that are RAP-washed. They don't support white rock or any other style of music. Until they become more supportive of other styles of music they will remain LAMES AF
That may be true of the curated "stations" (but not really); but, since you have access to pretty much all of the iTunes Catalog (with VERY minor exceptions), you have to have some REALLY "outside" tastes to not be able to find stuff to listen to.
I'm an old guy who likes Prog Rock/Art Rock, and I can tell you that I have been VERY pleasantly surprised by what is available for the asking on iTunes Music. For example, as I type this, I am streaming a copy of Brian Eno's "Here Come The Warm Jets", from 1974 (2004 Remaster), before that, it was Todd Rundgren's "Liars" (2009?), and yesterday I listened to a nicely remastered version of Emerson Lake & Palmer's "Pictures at an Exhibition" (2012 Remaster), from 1972. A couple of days ago, it was XTC's "Oranges and Lemons", from 1981 (IIRC). Etc, etc. ET CETERA.
I don't think any of that is very "Ebonic"...
And there ARE actually "Alternative" and "Progressive" stations; I just like curating my OWN music, thank you. And that's where Apple Music REALLY shines. Just open Itunes (or the Music App), Select "New", type what you want in the Search, and have at it!
The Giant Jukebox In The Sky (nearly) has it all! Only some artists (I'm looking at you, Robert Fripp!) keep some music out of iTunes. But it is a fair guess that, with very rare exception, if an artist doesn't want their stuff on iTunes, it probably isn't available on the other streaming services, either...