Why are Waity's clothes almost always wrinkled when she gets out of the cars? What is she doing in there?
I don't think she was ever taught how to sit properly when you're wearing a dress or skirt. In other words, to smooth the skirt under you before you sit to avoid wrinkles and creases. She's used to just plopping down and letting the fabric fall wherever it chooses. (All those taxi photos come to mind)
To me it's just another failing on the part of Carole. For someone who was/is so "keen" on getting her children to move up a social level or two she has never taught them the basic social graces. (Manners, curtsying, clapping - all of the kids have weird claps, small talk that makes sense to the person you're talking to, etc.) Just thinking about the open mouth chomping on the gum she did at that military thing for William she attended with Kate makes me shake my head. She wants the family to be completely associated to the BRF, but she's bringing it down to her level rather than rising up to it.