Grabbed your post to quote because it was handy and I've seen this referenced several times, as well.
Agree, however I don't for a minute believe those women were wearing their "masks" when they first pulled over the SUV to kidnap Sherri. I imagine they were wearing other more natural objects that would hide distinguishing feature, e.g. big sunglasses, etc... I think this kidnapping happened very swiftly. In my imagination, after she's abducted and thrown in the back of the SUV & restrained, only then do the women further hide their distinguishing features.
Furthermore, 3 weeks later after being beaten mercilessly, tortured, broken nose, branded & starved..... I doubt I would recall much more about the women I assumed were innocent passengers as I was jogging. I don't believe she EVER saw much of their faces to begin with. She's been able to describe their hair, pierced ears, and eyebrows; the fact that one was older and one was younger and their accents. Considering everything, not too bad, imo.