I urge anyone who reads Kaczinski to dive into Jacques Ellul. Kaczinky was heavily inspired by his writing. I studied Ellul for around 2 years and I can't say that it didn't effect my whole attitude on "Tech as a solution" for our problems. I certainly understood (although I don't condone) why Kaczinsky did what he did:
The Technological Society: https://archive.org/details/JacquesEllulTheTechnologicalSoci...
Propaganda: The Formation of Men's Attitudes: https://archive.org/details/Propaganda_201512