Well Robbie, while ol' Crab can be really annoying, he knows a thing or two about flying helicopters, and unfortunately he is pretty often right.
We have discussed Vuichard's method a few years ago and there are a issues with it. Not only that he did not invent it. That goes back way before he even touched a stick the first time. But it did not become the method of choice.
If I remember right, SASless mentioned that in a CH-47 it is the method to use and they did not find that out only recently.
It can get you out of a very deep VRS where everything else fails, as was reported by a fellow pilot flying with a test pilot, but I doubt, that any Robinson ever got as deep into VRS, that the controls would be completely ineffective.
The aerodynamics of VRS are complicated, very complicated. By far not as simple as the nice pictures in the common explanations will make you believe.