What happens when you push the throttles up on the ground? The aircraft moves forward. If the aircraft is resting on a big hypothetical conveyor belt that is programmed to match the aircraft's groundspeed in the opposite direction, at the instant the aircraft would start to move forward, the conveyor belt would start moving in the opposite direction under the wheels, and accelerate at exactly the same rate. There is no torque to the wheels here, which is why I think people are getting their brains twisted. It's all thrust, so assuming there is no friction, and by the control of the thrust provided by the engine(s), the aircraft won't move an inch because the conveyor is moving exactly in the opposite direction at the SAME speed. It's like in Tom and Jerry, when Tom the cat runs really fast on a long rug to chase Jerry or something but doesn't go anywhere - the rug just moves under his feet and piles up behind him. Imagine the rug was a big conveyor belt and instead of Tom, it was an aircraft. The only real difference is Tom is applying torque directly to the rug. If he had a rocket pack and rollerskates, it'd be the same effect (though the rug would have to be set up to move on its own, like this hypothetical conveyor belt is). Because in this hypothetical situation the belt matches the speed of the aircraft exactly, it would be impossible for the aircraft to move at all. The relative speed would be huge, twice whatever it would be on a normal runway. But the only way you can get any movement is if the conveyor belt couldn't match the movement of the aircraft (either too much or too little).
How about a conveyor belt going with the aircraft? Let's say it matches exactly whatever forward movement the aircraft makes in the SAME direction? Then the aircraft would accelerate at twice the rate, and take off roll would be half (no wind).