Based on my conversations with friends who paid for 23andMe they probably wouldn't have cared, and likely still don't. 23andMe customers are the kind of people who put Alexas in their bedroom
Now that being said, when it was launched, 23andme was the only way to have very affordable and high-quality and reliable DNA scans.
This data is very useful to improve your quality of life today using tools like Promethease. This to be weighted, against a risk that "potentially" someone may use maliciously in X or XX years.
There is also the "risk" that they use this data to develop popular medicines that will actually help your long-term quality of life (if you can afford it).
It is a very valuable service if you’re Jewish, that others like Heritage.com don’t. Where can you get it otherwise?