Your genetic data, even when described as 'de-identified,' is inherently re-identifiable and uniquely personal — and opting in means it may be used commercially by drug companies without further notice to you.
23andMe collects highly sensitive genetic and health data that can reveal predispositions to serious diseases and relate to biological relatives who never consented to testing. The company may share de-identified genetic data with pharmaceutical and research partners if you opt into the Research program, and can disclose personal data to law enforcement in response to valid legal process. You can opt out of research participation, request sample discard, or delete your account entirely through your account settings at https://www.23andme.com/settings/.