When push comes to shove, technology is subservient to society: https://en.m.wikipedia.org/wiki/Lavabit

Well, first and foremost, if I ran a service, I would not want to help either terrorists or pedophiles. I would be very unhappy if I was doing that.

Secondly, if you do provide service to terrorists or pedophiles, and take no steps to stop doing so, law enforcement and society in general is not going to be very happy with you.