Following the advice of TC has made my dishes cleaner, so this insight doesn’t really matter to me personally. It’s good to do research and find answers, but pods just don’t work as well in my experience, while also being worse for the environment.
But yes, Cascade ActionPacs were a genuine innovation when they launched because the mix of powder and liquid was an actual improvement, and for reasons that are not particularly achievable with powders, because the funny look of pacs really does have a functional purpose.
Great if it works for some folks, maybe they’re not testing with enough variables to account for all water types, and all environmental conditions. Perhaps there are common situations not being accounted for due to the markets incessant need to build a single device marketed at everyone, where conditions will always vary.