So they are data brokers with data analysis combined.

Why don't we ban data brokers in the first place?

https://www.palantir.com/palantir-is-still-not-a-data-compan...

> Contrary to some media reports, we are not a surveillance company. We do not sell personal data of any kind. We don’t provide data-mining as a service.

Why would you ban data brokers?

At this point the question should be: why not?