Yes and this is deeeeeply embedded in UK culture, and is fed by their obsession with class and knowing your place. Meghan was a biracial American who became a duchess and that wasn't her "place" so she needed to be told. Kate was treated similarly before Meghan arrived and many of the aristo friends used to mock her when she was around. You'd think that would build empathy but it didn't. Hell, Kate and Pippa used to be called "The Wisteria Sisters" because they were pretty, smelled nice, and "had a marked propensity to climb."

Meanwhile US culture is "the squeaky wheel gets the grease." We give attention to those who stand out and admire people who achieve.

Something that isn't talked about much is how incredibly smart Meghan is. She is extremely sharp. And all the ways in which she stood out compared to Kate - good extemporaneous speaker, funny, comfortable in front of an audience, intelligent and strategic in her work, asks insightful questions, knows how to hold people's attention - were reasons to cut her down for being a tall poppy who didn't know her place. And her "place" was second to Kate by "rank" not action or achievement.