The best I can tell from talking with insiders at a couple of his properties, is that he did a beyond bad job at “succession planning”. The light exception being MoPOP of course but that’s a different beast. So without setting up foundations/entities to fund/run your projects and getting people aligned before you pass, odds are your estate won’t.
So want to blame the family. But really Paul Allen’s fault here.
It’s a shame, was such a great museum.