Thanks for the UnHerd link @paddEpower - that Kathleen Stock article sums the whole thing up pretty shrewdly.
“Here is Liz flushed after another marathon; here she is drinking champagne and toasting the camera; here she stands on a mountain peak. Here is a picture of her brunch in Salzburg; here she is in the bath again, muscled legs stretched out glistening before her. The accompanying captions try to convey humility and likableness, and her wish to “make a small difference to some part of the universe”, but the pictures themselves scream success, money, desirability, winning at life.
Viewers are obviously supposed to covet what this woman has, for there would be little point in the laborious display otherwise. What they are not supposed to do, presumably, is imagine Fraser taking a photo of her own legs in the bath: tucking her chin, craning her neck awkwardly back and perching the phone on her chest as she tries to get the angle right, wiping the lens intermittently with a washcloth to stop it getting fogged up. The anonymous posters on Tattle Life imagine all this sort of thing and more, providing a brutally deflating commentary to the curated exhibition that is often as funny as it is biting. Egging each other on, they virtually gather to dissect, mock, speculate, bitch, and generally have a lovely time at Fraser’s expense. And they are particularly scathing about the way she likes to photograph her own legs.“ https://archive.ph/AJEvI