Buyers shouldn't be blamed for all poor quality; whether related to design, engineering, or manufacture. There is too much that can't be tested or checked in advance before purchasing an RV. And that assumes buyers would have the right skills to know what to look for in the first place.
Should buyers have to know enough about all phases of RV design to know in advance that what they are buying is inherently flawed? That seems unreasonable.
"Let the buyer beware" can only address reasonable and foreseeable risks that a product may fail to meet expectations or have defects -- beyond minor problems that can be corrected under warranty.
There doesn't seem to be a simple solution to "quality" issues in general. Without more regulations (which few want) RV manufacturers will continue to manufacture what sells fastest and makes most profit.
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