Call me cynical but I don't see a video on the internet as proof.
As an example and for fun, here's a video of an 'actual' Escherian staircase: http://www.youtube.com/watch?v=7v-vQHxD-6U
If something truly works, a manufacturer will be happy to have an independent lab test it and will be ecstatic to use the proof in their advertising.
I’ve been around too long to just believe marketing claims from someone who is trying to sell me something without verification.
For my tires, I'd prefer to have a road force machine measure runout and match mount as needed and then balance. That said, the road force is a small and imperfect approximation of rolling variances.
A very good shop will also have EVA (electronic vibration analysis) equipment that can be place at each wheel to determine the location and frequency of vibrations.
My new tires will be mounted on the rear so unless they are egg-shaped or have other structural problems, hopefully, my RV won't shake and rattle as it rolls.
I hope nobody takes this as mean spiritied. I just was hoping someone had a link to independent verification, not marketing materials.