This disaster is the perfect counter-argument to those always saying "why do you care so much about privacy. It doesn't affect you when I share things. You can just choose not to do it", except no, I can't choose when we're relatives and you chose to share our genome. It is so obvious that your relatives sharing their genomic data with 23andMe reveals a lot of information about you. We can only hope people will reali…
I'm in favor of privacy, and I'm willing to go more out of my way to not share than the vast majority of people, but I'm also in favor of individual choice, and I can't think of a privacy model that would disallow other people from sharing their information just because you have some matching information.
23andMe could still have operated legally under this scheme. They could have done the analysis and sent you a printed sheet. But no, they had to store everything to be able to double dip by selling the data to pharma companies and whoever else would pay for it.
If you can't turn a profit without underhandedly selling your users' data. You deserve to fail.