You should be ashamed of yourself is an insult specially if you are writing a public letter to Elon Musk. It was meant to be insulting had he written just a

You should be ashamed of yourself is an insult specially if you are writing a public letter to Elon Musk. It was meant to be insulting had he written just a normal blog post on a badly managed Tesla event he would not have gotten such a response. If you are going to insult him publicly Elon can say fuck off in public or he can show you how to fuck off. He chose the more picking reply. This open letter bullshit is annoying write a blog post or article on something but don't post open letters if you don't want a reaction good or bad.