Licensing might have given the impetus for the gating. And then the implementation is made like this, either as an oversight, or to provide plausible deniability to Netflix.

Here in Germany violence in video games used to be heavily censored. Much less so now, but when I was growing up, you basically couldn't have blood in games. I remember playing a GTA game that had bleeding NPCs or not, depending on whether you selected German or English as the game language.