Long time reader but first post - had to chime in to say thanks for all the detailed explanations. I was pretty skeptical until about halfway through the 4th page and then had a "uha!" moment... If I understand this correctly, this whole concept basically is based off the same logic and physics behind the use of asymmetric reverse for directional control on traction limited runways, but taken all the way back into the flare. The asymmetric thrust (either forward or reverse) induces an into wind sideslip. Therefore, just as upwind reverse would reduce the tire sideload during rollout in contaminated ops and help with staying on the runway, a small amount of downwind thrust during the flare would reduce the amount of wing down required to maintain centerline. Seems quite useful, especially for equipment with limited underwing pod clearance. Good stuff!
Guess you can always learn something new. Filed away for a rainy day (actually that'll be a windy day in this case). Thanks!