I think the key points are that we know how to do this quite well. The methods, the technologies, existed with this quite well. We need to make sure that organizations that are reusing data for legitimate purposes and for socially beneficial purposes are using and adopting these practices. Codes of practice and standards and guidelines that are precise and that can be enforced, or that are enforceable in some manner, would be one way to ensure that these good practices are adopted whenever data is reused for secondary purposes, and that will provide the assurance to the public.
On February 7th, 2022. See this statement in context.