I'm not sure she has a 'staggering' amount of millions. They are very rich by normal standards, sure, but they don't aspire to normal standards. They want A list California life, and by that measure, they're really not staggeringly rich at all, and have no obvious way to earn big money.
I thought she seemed very uncomfortable and awkward in the clips I saw of her appearance with Drew Barrymore. I do think, lacking in self awareness though she is, she knows this is a massive step backwards for her. She thought she'd be flying around the world as a global philanthropist. Now she's flogging jam, sorry 'raspberry spread', on daytime TV.