There are rights that you cannot sign away. For example you can't sell yourself into slavery in most countries. The signed contract is irrelevant because it is

There are rights that you cannot sign away. For example you can't sell yourself into slavery in most countries. The signed contract is irrelevant because it is unenforceable in law, in much the same way as if it contained a clause putting you in indentured servitude for violations of the TOS. Its only purpose is to obscure people's rights.