This is a very confusingly written article. It repeatedly refers to Rekognition as a Palantir product, but it is in fact an AWS offering[1]. This is much clearer in the ACLU article they link to [2], which makes no reference to Palantir.
[1] https://aws.amazon.com/rekognition/
[2] https://www.aclu.org/blog/privacy-technology/surveillance-te...