Earlier quoted context omitted.
You're totally right. I have never met either man in person. I only said I suspected that, based on the personal behavior I've seen expressed in both cases. I've never seen Carmack behave badly. What I read in the Lee post constitutes bad behavior, in my ethical system. YMMV.
What part do you deem unethical? I am conflicted about the ethics of driving high speed sports cars myself :-)
As long as no bunnies were made to cry during the production of a Tesla Roadster, I'm confident I wouldn't feel conflicted about driving one. :)