There's nothing wrong with telling someone that they're wrong.

You're impressed by the fact that this guy wonders whether he can call the FBI to complain that a mathematician claimed he doesn't understand anything about the Theory of Relativity? I've known plenty of 80-year-olds who were a lot more lucid than that.

Interesting. I took a second look and noticed that at the top of his blog he talks about squashing fools.

One of the insidious things about violence is that it goes along with the conviction that one is in the right.