I wonder what people who spend hundreds of hours managing their own NAS, maintaining private email servers, avoiding Google and Facebook, using VPNs etc do to p

I wonder what people who spend hundreds of hours managing their own NAS, maintaining private email servers, avoiding Google and Facebook, using VPNs etc do to protect their privacy in the face of real world surveillance. I'm imagining that they don't walk around wearing balaclavas, using dead letter drops and paying with cash.