No, it's not. He will not be paying that. He might have paid a smaller yet still large amount, but he's certainly not going to work in McDonalds to pay off $1 billion dollars. He has the same legal rights as anyone else to not be a debt slave.
Being liable for an amount more than you have means the people you owe won’t be able to get the full amount, but it doesn’t mean you get to keep all your stuff and pay them nothing.
We should fix that system, but like, why is Alex Jones the one to get hung up on?