The person who sets up that robot is the person responsible and effectively signing the contract by those actions.
> Who are you gonna sue then?
The person who set up the robot.
> Who are you gonna sue then?
The person who set up the robot.
If that was true, then all scraping of a website with a ToS would be illegal, yet it's established by jurisprudence that it's not. And “authentication” doesn't change the picture here in Amy way, because it's not actually authentication.
Because terms of service require both parties to accept!
If I hold a contract outside your window and scream "you accept this contract" it doesn't bind you simply by looking out the window.