Yes, THEIR digital art and soundtracks, not 3rd party artist's soundtracks... =/
I mean, sure some bigger games (and movies obviously) sell soundtracks with 3rd party artist music in them, but... come on... This is a cashgrab scheme, and honestly, personally I would rather support the artist directly than give a dev a cut of the money (plus Steam's take)... Sure, the artists agreed, so it's on them, but yeah it's not like this is an incredibly charitable move or anything like that.
Beyond all that though, everyone's milleage will vary, but I'm very much against someone who'll censor his own work for a few more bucks... plus it sets a terrible precedent going forward... Ocean keeps saying S2 will have sex and all that, but I don't believe him... considering how much he keeps changing stuff, it's almost inevitable he'll string people along and then change his mind at the last minute again because "steam" or "music licensing" or whatever other excuse he can come up with.
Not that any of that matters though, this thread dates back to May 8 2019, I'm assuming that's around the time the first release happened... it bascially took 5+ years to release 5 chapters... and we're not talking massive chapters with loads of branching and mini-games and whatnot... but to me, it's the self-censorship that's the last drop as far as I'm concerned... I'm not even sure this can be considered an AVN any longer...