I don't really see the relevance of an OnlyFans gig on someone's datability. They may not be good actors, but they're still putting on a performance. Whatever persona they adopt for the camera is distinct from the person they really are.
If he has +$100m in judgments hanging over his head, he’s not going to be able to monetize much no matter how much stupid he brings to the bad little boys and girls with no sense of money.
It's also only one of a few upcoming judgements. I don't think the money is as big a deal as his future prospects at a livelihood. The parents don't want the money, they want him destroyed as a media personality.
Biden's much vaunted reputation as a dealmaker has ended up being more of a liability, almost explicitly because he's dealing with an opposition that has no real interest in negotiations.