that maybe true but i doubt that they would do it like Brainfart did by putting a big black box there and hiding not only the face but the whole head and some space around it.many many MANY visual novels do this, especially in Japan, to "immerse you" as the MC, that the MC could be "anyone" or "even you" ((which when done by a professional, kind of works sometimes, especially the "back of head" / "hide the face trickily" versions))
i know of some of them where only the face and nothing more is blacked out,but that are more comic VN and not in the digital world there i have never seen one so far.