Prevost XLII Skin Delamination Repair

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Please understand that I know nothing, but we are about to take the plunge on our first 2002 XLII Prevost, and are shaking in our shoes.
Regarding this de-lamination, which manufacturing years have been mostly affected by it, and as most of the coaches during those years were built with slides, how has this failure compared with the few non-slide coaches produced during that time period? Could the additional pressure from retracting the slides, even though the door and windows were open, have put additional stress on the panels? Just trying to make sense of it all.