I'm comfortable with "ad hominem" when the appeal in question is to the Unabomber.
You wish to vilify him. That's fine. It's extremely uncomfortable to find that this mathematician was right about something. I respect your feelings. But that doesn't alter the substance of his social critiques.
Sure it does. It's strange to argue that it wouldn't. Kaczynski is a madman, and perhaps the only person in the history of the United States whose quality of life was drastically improved by incarceration in a Supermax prison.
He lived out in the fresh air and sunlight.
So do rats.
I doubt he would agree with that, just like depression has many forms so does the concept of quality of life