While the 'default' faces for everything but #1 and #5 might look off, they have varied enough options for all the faces to be rather unique and gorgeous with pretty minimal effort. I can spam randomize appearance on female Midlanders and get something widely different more often than not. On the other hand Female Elezen literally only have two faces, with the other two being makeup attached versions of the first. They try to hide it by making the presets 'look' varied, but go through their options and you'll see that unlike Midlanders the makeup-less version and the one with makeup are carbon copies of each other. Then to say nothing of the issues Femroe and FemHighlanders have. At least Midlanders don't have blocky, half finished meshes.

Honestly it'd be nice for an expansion to CC for all races. Viera and Hrothgar, while limited, upped the level of quality and it's rather weird to go back and look at the old races by comparison.