Frame stress from scraping is a lot about "blunt trauma". Whether skid wheels, skid plate, or hitch, if it bangs down hard or catches pavement, that is very bad. A gentile introduction, gradually increasing down pressure to a point is generally not concerning. Surely less down force is better so if the skid wheels hang 2.5" lower than a skid plate, I personally would rather have a skid plate. If the skid plate hung down significantly lower than the hitch, I'd consider having no extra protection. But I say this with our older 2350 in mind. Each rig has it's own considerations. Our rear hitch has not been scraped yet, but the hooks for the blue towing safety cables and our quiet hitch recently made contact when loaded heavier this past trip.
Regarding the coily red electrical umbilical cord's mating plug on the hitch, ours is mounted with heavy duty wire ties. That electrical box is at the ideal angle for connecting the umbilical cord. I like how it secures so I have no plan to change it.
Here is our towing setup. Unfortunately the picture was taken from the opposing side. But it sort of shows the umbilical cord resting good, a straight entry to the plug, with limited pulling on the plug itself. You can also see the blue cable hooks and Quiet Hitch hanging lowest, most prone to scraping pavement.
