The unfathomable wealth she squandered on bullshit throughout her mostly-anonymous lifetime of luxury... could have supported hundreds of other 20th century families. As specific example, she maintained a Santa Barbara mansion, for decades, without ever visiting the property.
That she was given it all from her father creating a superfund site... probably helps explain much of her reclusiveness [that and loss of sister at a young adult age].
[1]: https://www.amazon.com/Empty-Mansions-Mysterious-Huguette-Sp...
The most honest, evil woman I have ever met — and we've had some conversations (and I dozens of women). If I wrote some of her Spoken Truths onto this forum... I would probably get censored [this is an extremely HNW individual, from The Silent Generation]. Hate™ is real.
If there's anything I can convey from our decade-long relationship, it's that nobody can do everything ("wear all the hats") forever. Nobody has time to know how to do everything. You are your own worst enemy.
I have known her since she was still cleaning out the gutters, herself — but obviously age has reduced her to bedside (and she still won't air condition half her properties!).
Parkinsons is doing the rest. "Why would I care about what's going on with my property? I haven't been up their in forty years!?!"
Your heirs hate what you've become, trust me I know. When you die I will be throwing most of your worldly possessions into the dumpster — which your husband, daughter, and I have already prepaid-for — just like we did when renovating your older studio, just a few summers ago... RIP you Old Bitch =D
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The heiress affliction, e.g. also read Empty Mansions (book about heiress Hattie Clark) [0][1]
[0] https://www.amazon.com/Empty-Mansions-Mysterious-Huguette-Sp...
*[on my Top 10 random WTF non-fiction Human Experience books, to recommend, Reading List]
[1] https://en.wikipedia.org/wiki/Huguette_Clark