He was objectively highly talented guy but when he was in harvard The CIA tortured him and ran one of the most cruel "tests" on him called MK ULTRA.

and as expected it broke him he then spent rest of his life living in the woods and created bombs out everyday object and used USPS to ship them to government offices.

In his manifesto (yes he was a psycho serial bomber so he has a manifesto) he talked how we are enslaved by modern technology.