Recently I noticed that some moon keeper miqo'te faces are missing nostrils, or rather are missing the shading present on sunseekers. I even checked some screenshots from 1.0 and it's the same. I can't think of a good reason why it would be this way, does anyone have any idea why?

Photos:
https://pbs.twimg.com/media/DmU3UdWU8AEG_dA.jpg

https://pbs.twimg.com/media/DmU3SLqV4AEhgMM.jpg