I find it interesting that there is so much willingness to talk about the legality of this situation but so little regard for it as an ethical situation. A society is based more fully on interpersonal trust than it is on legal edicts. She had no reason to assume that someone would show her photos to the world - that was something that had pretty much never happened before (and she likely would not be aware of it, if it had to a lesser extent - Disfarmer comes to mind). The vast majority of people had, throughout her life, next to no regard for the kinds of photos she took, and she didn't seem to have any dealings with people who did. Her photos were her
personal possessions, not a record of artistic work, not a body of published work, not the product of commercial enterprise, not photos she took to sell to individuals, not something the public was meant to see.
What if she had not been a hoarder. What if she had no mental illness. What if she had close friends who just didn't know about the photos. Whittle away all the irrelevant excuses of why it's ok to make her photos public and see if it really is ok. Did she matter as an individual? Did she have any expectation of privacy? Did her wishes matter? You can say we don't know what her wishes were but we do know she kept the photos for herself, never gave any to anyone, barely let anyone else see them.
I'm not saying her photos should have been buried along with her. I'm saying there is an issue here that is more important than whether or not some few people made money from the images and whether or not they would have been sanctified had they employed lawyers.
@MattKing @warden -- yes, lawyers can give advice on lots of different things.