As someone who suffered from bulimia for over half my life, I get a bit frustrated sometimes by what feels like...overprotectiveness about triggers, maybe? Like, no one puts a trigger warning on a sentence like "I could really use a glass of wine" in case an alcoholic reads it, you know?
Plus, EDs are such complex illnesses - I might have no problem reading about someone else's weight, but maybe somebody who I don't like gets a promotion and that sends me into a spiral of self-loathing and b/p urges. And that can't be accounted for.
I also think there has to be a place to discuss weight management, whether that's gaining, losing, or maintaining. There are a lot of very pervasive myths about weight gain and loss, and it's a good thing if we can talk about it sensibly and openly. Changing eating habits can be a very positive thing for many people.
(Plus there's this weird thing about weight loss where all content is either Pinch of Nom-style spread low-fat cottage cheese on a flour tortilla for a delicious low-cal pizza! or the bleeping Hemsley sisters making kale and medjool date energy balls, and nothing in between. At least Gizzi's moussaka looks like something you'd actually want to eat!)
Having said all that...posting on her professional account about her new diet is just supremely inappropriate. If she really wants to share it with social media, she could just set up a side account and put up a post saying "hey if you're curious, follow me on @gizzidiets" or whatever.
But that leads back to this whole weird influencer culture, where there's no separation of the professional and the personal, and your business account can go from "check out what's new in my shop!" to "I feel sad, send doggos" in the blink of an eye. Good luck to her if she's trying to make big lifestyle changes, but why not keep it separate from her work?
PS I hope one of her New Year New You lifestyle changes is dissolving those fillers
