I don't really think Divinity: Original Sin is aimed at a "mature RPG audience"
Ok, maybe I oversized a bit when it comes to the maturity and Original Sin [although this is true to the Witcher series].
But I wanted to say that both Larian and CDP RED don't compromise their games to appeal to the masses. They ignore the godawful "modern" gaming trends like countless DLC's, "action" & "explosions" instead of tactics & RPG, they don't force intrusive genderism and cultural marxism like Bioware does.
For now they are completely independent companies who target "hardcore audience" and they have my support for that.