Take a look at Palantir's trust center: https://palantir.safebase.us
Schellman did their audit and compliance - do they have blood on their hands?
How about AWS, GCP, Azure cloud resources used by Palantir - are they stained, too?
No, it doesn't mean that "mr gotcha"[1] argument is valid. You don't have to isolate yourself from society Kaczynski-style to either criticize society or to do something smaller (like choosing who you work for).