Terms of service are unenforceable as nobody reads them.
A contract cannot be valid if one side has not read it. If one side cannot guarantee the other side has read it, it's their onus.
Also, clicking a button that says "I accept" isn't signing a contract. If it doesn't have your signature or a certified digital signature, it isn't a contract.
It's just an "I told you so" that allows them to kick you out, like the rules at the entrance of a restaurant. It doesn't give them the power to sue you or anything like that. It's just covering their asses with legalese excuses. Any legal practice that claims otherwise are just legal mercenaries for the wealthy.