SlimShady side support arm (for 8')

I am hugely disappointed by this part, not by it’s lack of availability but instead because of its ridiculous price. My less-than two-year old side support arm on Slim failed last weekend. Even though Yakima has never provided instruction or insight on a problem that is inherent in the design of Slim Shady (the fact that it looks water during a rain storm), we had already learned to tilt one corner lower than the other the very first time we used it. And every single time since then. Despite the fact that the forward corner was set up about 12” lower than the rear (want to see my photos?), it still managed to pool enough water to pretzel the forward support arm. This seems to be a design flaw, and in my opinion, should be covered by warranty.