Earlier quoted context omitted.
> Why do you think it's a bad definition? It presumes a sentient, rational counterparty. Being able to shoot a horse isn't the same as being able to ride it.
It only requires agency from the party assuming control. There are other definitions of control in contexts other than power dynamics that are important. Like a PLL can control an oscillator frequency without the philosophical question of agency needing to be applied. That is a closer definition of control for riding a horse. You control the horse when you pull the reigns. You also control the horse when you decide w…
It's a political concept. It requires agency from the actor recognising the threat. We're pretty close to being able to hurl a giant rock at Mars. That doesn't by a long shot mean we "control" it.
If there were a human settlement on it, on the other hand, being able to credibly threaten Armageddon does give the thrower control.