But is there any evidence that it was a problem that Meghan curtsied the wrong way?
I doubt if there was. The Queen met thousands, if not, millions of people: some would have sneezed; some moved to close to her; some toppled over. Mistakes would be factored in to managing these meetings and expected.
And family members. A rare if not unique context to be curtsying or bowing. But the point is, you are not bowing or curtsying to the individual, you are recognising the office which they inhabit.
It's a rare situation, but not one with no links to anything else. The Mayor or Lord Mayor wears heavy, pompous chains and is treated with a degree of respect, when inhabiting that role. Religious clergy are; the priest or Bishop. Again it is about the role. When relaxing with their family, I expect many priests are called 'Father'. To that extent, they don't switch off from the importance of the role, because it is a grave and serious one, like the Queen's role, and they are mindful of the wish not to dishonour the role and let their hair down when off duty, and make a mockery of the institution.
The Queen and other senior Royals keep these customs going, because they have always been done that way: and because of their age and generation. The Queen died at 96. She knew a different world. Charles may change some of this conventions at home, and not expect girlfriends or fiancée's of children or nephews, to bow to him. But the motive has been to honour the seriousness of the role and the responsibility and duties which go with it.
Is there any suggestion that the Press said Meghan got her walkabouts, curtsying all wrong? What is the issue with Meghan mentioning it in her docuserie? Is it just to create the image of the Royals being like that themed dining chain: Medieval. Eg, a bit preposterous and historic?
I can't imagine Mike, Autumn, Sophie and Tim Lawrence all got their comments or bows absolutely right. At family gatherings, it doesn't matter so much, who is the closest to the throne. They are all grandchildren and partners assembling for those events. How did Autumn Phillips find it? Did the curtsying give her stress? We never will here, but it would be interesting to hear how others cope. Although, I suppose we can say that Mike Tindall seems ok with it all, as he seemed cheerful enough on 'Im a Celebrity....'. And, reportedly, the late Queen liked to spend a lot of family time with he and Zara.