Although I really have disdain for people like this, and I condemn his actions. He's clearly got a few screws loose or his terrorist toddler years seem to have lapsed into puberty..
Sorry 'hacker' has a number of meanings and one of them is cyber criminals - trying to turn the clock back to some imagined golden age at MIT in the 60's is futile.
But I thought that t-shirt was a nice touch..