I often wonder about the choices to use non-repairable wall surfaces in motorhomes. Color is an intensely personal choice. People will choose dark, light, warm, cool colors and I stopped trying to predict long ago. We use a wonderfully paintable surface on all of our coaches. If you scratch or nick it, some bondo, sanding and paint will make the fix. If you decide that burgundy is hot this year and bright orange is what you want next year - paint it.
We try to make these coaches as much like homes as possible - wait a minute - that why they call it a motorhome. Its probably all the baggage I carry around as an architect.