Well the late Duchess of Kent managed it, maybe it takes some determination on the part of the individuals.
I admit there would be media interest in them, they are very high profile, but possibly much of that would fall away, if, they weren't always in the public domain promoting themselves. It's particularly unfortunate for Meghan at the moment, given her father is practically at death's door, in that Netflix having launched her Christmas special, she's heard to be wittering on about close family ties and traditions. I thought she was supposed to be smart and media savvy, she could have left all of that out given waxing lyrical about the closeness of so many severed relationships will automatically draw comments as to all those elephants in the room. Of course the media are going to hone in on that surely she has some control over her own script it sounds so utterly phoney taking into account of one very ill grandfather who has been abandoned and who has never been allowed to see his grandchildren, one grandfather with his own serious health issues who has only seen them fleetingly, an estranged brother and wife who were once very close and their children, plus two estranged half siblings. Umpteen "dumped" friends, replaced by some high profile useful people wheeled in to create a manufactured ambience. They've taken control alright but only to make themselves look ridiculous. They're the architects of their own negativity, they've chosen to present themselves in this way often contrary to advice.