Yeah I like that pole. The POS I have from back when I parked outside, has a turn and twist kind of pole. Worked ok for the most part. It really only has to support the cover as the water will run right off, to the next lowest point. One difference I see between your set up and the one I bought is the "support platform" right above the post. Mine originally had a triangular piece of plastic about 10" per side. A tree fell on my boat during a nasty storm back in the 90's when I lived in Minneapolis and broke that. I made a new one out of plywood. That would be the only concern with your setup is that part may be a bit small and if by chance any water does pool in the cover, that may poke a hole in the cover? Larger spreads out the weight as I am sure you know.
Chris what do that call that? Cargo support?? Looks like a serious mechanism.