This applies to a different legal and monetary system than what has applied to Bitcoin so far. In another jurisdiction, the onus may be placed on the client to perform due diligence.
And how would profits be forcibly returned? What if off-blockchain transactions were conducted that broke the chain of ownership? We'd end up discussing taint again.
Also, something good coming from a Ponzi?
Picower, whose Palm Beach, Fla., foundation was a major contributor to medical research at the Massachusetts Institute of Technology and Harvard University...