Don, I feel the decision of running a particular brand of tire is based on piece of mind, whatever that is (insurance companies love people that don't have "piece of mind"). The legend of defective Chinese tires has perpetuated--and grown--over many years, but the fact is that all tire manufactures have experienced failures. Are failures the result of tire neglect--inappropriate pressure or overloading--, road hazards, or spontaneous failure possibly due to material defect or inadequate manufacturing process? Probably all of the above. You have to remember that those who write to discuss their tire failures on forums are typically extremely agitated because of the tire failure, the inconvenience, and damage experienced as a result. What you don't read are threads from the thousands and thousands of RVs that have no tire failure; it doesn't make good press when the news is a non-event. But buying name-brand tires, such as Goodyear, doesn't mean you get to ignore tire etiquette, so be careful to compare apples with apples.
My choice (even though you didn't ask!)? I have Freestar tires and plan to use them for a couple of years while monitoring them closely and ensuring proper pressure and loading. I have 4K miles on the tires and...so far so good.