On the last part, there's a slow move towards journals mandating that authors share their data, so that other researchers can replicate/extend/revise results: http://oad.simmons.edu/oadwiki/Journal_open-data_policies

This case is a bit tricky due to privacy concerns, though; it contains raw audio/video of years of his personal life, which even most open-data mandates wouldn't require sharing, at least not in original form.