He's a right wing grifter and always has been. And like many on the right, he views harassment as a form of "free speech" which should be acceptable.
He's not tanking the site on purpose. He's tanking it because his bullshit ideology naturally results in creating a hostile environment that people don't want to be a part of.
LW admins removed a community focused on piracy because they were afraid of getting sued. Even if they'd win ultimately, legal representation is expensive. If you want to see it here though, I'm sure you could work out a binding contract of some kind where you agree to take on all expenses and legal fees for any piracy related litigation.