They have all the hair options for everyone. Why not all the face options too for everyone? Some humans in RL look like dwarves, for example, so if all faces in BG3 we're available no matter the race, I could make a human who looks more like a dwarf.
And this would make it so those who want pointy eared human elves could create them, but for those who want more traditional elves they could make them as well - provided they actually add a few faces that really look more elven.
I'm just saying. I'd hate it if they took away one of my favorite drow faces because someone thought it wasn't even enough.