Yes. You presuppose that all rules - via their nature of being rules - are automatically fair. They aren't. Especially not if they're not arrived at by consensus, but unilaterally laid out.
Let's highlight the absurdity of the presupposition with an extreme example that they might understand: what if there's a rule that says "Black people are not allowed to play"?
They're saying we should just assume it's fair? What kind of idiotic notion is this?
The day you can hold a corporation accountable for breaking their own terms of service is the day I will come around to this argument.
As things stand, they can have an obligation to keep your data secure, have system with massive security holes, loose your data resulting in you being a victim of fraud, and the company will not pay a penny.