I agree that the EU–US data transfer frameworks are unlikely to provide complete privacy safety, and this is an open problem. However, I was addressing whether

I agree that the EU–US data transfer frameworks are unlikely to provide complete privacy safety, and this is an open problem. However, I was addressing whether 23andme is subject to the GDPR or not, and it clearly is. The data transfer frameworks are what supposedly allows them to transfer data to the US and still be GDPR-compliant. But regardless of whether they are actually compliant or not, they are indisputably subject to the GDPR.