I bought a test and had to use my own name for shipping and payment (because of the delivery and payment services involved). Someone else (cough, cough) registered the test for their own sample and the results.
For 23andme, the discovery of relatives is optional. A user can choose to not receive any information about potential relatives, or to disclose minimal information, to allow messaging without names, or to disclose a name. I may be misremembering some of the granularity, but names do not have to be automatically disclosed.
For 23andme, the discovery of relatives is optional. A user can choose to not receive any information about potential relatives, or to disclose minimal information, to allow messaging without names, or to disclose a name. I may be misremembering some of the granularity, but names do not have to be automatically disclosed.