The author says that health insurance in Europe is provided by the govt and for most it still is, there are plenty of people getting private health insurance as the govt health sector is collapsing, so this argument is mute.
Also, in the 23andme data is risk of getting hundreds of diseases, any private health insurance company would love to see this data to deny paying you any compensation, OBVIOUSLY.
I have never given my DNA to any private company and I never would, if you have: delete it!