That's the money you were already giving them to hold on to. They have now decided that you also agree to pay them even more money when they decide they don't like what you're doing.
The clause says they may deduct it from any of your PayPal accounts, but if you haven't given them that much money to hold on to, you still owe them, and presumably they will come after you.
The clause says they may deduct it from any of your PayPal accounts, but if you haven't given them that much money to hold on to, you still owe them, and presumably they will come after you.