A Coach pivots on the heaviest axle, the tag gets dragged up or down. It pivots easier with less resistance if the tag is up, but the point of pivoting is the drive axle.
I think they made a big deal out of nothing. A good driver could have maneuvered out of there without the chit-chat. There was a camera at the fifth-wheel, she was not needed. I doubt the driver had tractor-trailer experience.
I have followed their site and group for years as I had a truck conversion after my bus conversion.
Logging roads are no problem, I'm talking main haul roads, not right of way roads. I haul logs and my MC7 goes up and down bush roads with no problem. I wish my log truck handled that nice ,... read... smooooth. Know your limit! Right?
I can't imagine there are that many RV parks that would allow, have room for, or could stand for that much noise, without complaints...
Tell us more about HDT+ 5er versus a coach ?