Key point is getting the CG of our body outward as far as possible so we move the CG of the boat+person system past the stability point between the hull+mast buoyancy.
By moving the rope attachment point down (toward the dolphin striker or below), the rope force on our hands goes up - presumably to infinity if the attachment point gets low enough. Moving the rope up or over the hull reduces the force, thus the intuitive feeling that there is better leverage. Neither of these make the boat right any faster <unless> due to strength limitation or other reason they allow you to get your body CG further outboard.
Exactly.
All the boat/system "cares" about is location of CG relative to location of CB. How this is achieved is inconsequential- righting line over the hull, under the hull, stand on a dagger board, righting pole, nail your feet to the hull and stand out real straight. It doesn't matter. Moving your CG outboard is all that matters.
For those that still believe that the routing of the righting line has some effect on whether or not the boat is righted, take a look at every monohull dinghy in the world...they right their boats by standing on the dagger board using NO RIGHTING LINE. The key is simply to get your weight as far outboard as possible, how this is done makes no difference.
sm
