I bet the key here like the key with lots of things with Keltham is doing things with certain probabilities. Like, if it looks to me like there's a 50% chance you stole from me I flip a coin about whether to steal back.
The Queen and the Most High have a negotiated contract, that's - another way - I assume the farmers aren't allowed to negotiate a contract but if they are, well, you're definitely not supposed to give your world falsely.