How is it a hit piece to quote from a book written by the man where he espouses the exact beliefs he is accused of?
Kennedy himself claims he doesn't believe in the germ theory of disease, or at least in the ability of modern medicine to cure many diseases. He is a crank and an idiot who has gotten hundreds of people killed, and will probably get many times more.
...with rights for all workers that today it would be unthinkable to even question? Or worse, women's suffrage? Or rights for people of color?
There's no such thing as a (successful) social movement that doesn't employ some amount of violence - the police and the state more generally simply won't allow it.