Nebula Genomics has a pretty good privacy policy.

https://nebula.org/ownership-of-your-genetic-data/

Selling data is the credit card and ad tech industry, not genetics. Your 23AndMe data has approximately no value unless you take the research surveys, since there's nothing to associate it with.

I used Dante Labs and asked them to delete my data under the GDPR after downloading it

They give you all the data – raw reads and a whole aligned genome for a fairly reasonable price