You appear to just not get it. Their tests aren't detailed for the most part, and when you do see them, they're absurd and unrepresentative of real world use. I spelled this out before, but you missed it again.
This doesn't really capture the point. Of course it's a performance downgrade. I said as much before most reviews were out and showed it, as did frickhelm. But don't you want to know why? This is suposed to be a Dyson! Those Guardian tests are in some cases utterly contrived, in others completely undefined, and may be unrepresentative—so they might get the right answer, coincidentally, but for the wrong reason, which is still misleading for readers. I've never had a single issue with the V16 not picking up rice and bits off hard floors in my real world use, so I'm completely unconvinced by whatever mystery test the guardian genius did that wasn't detailed respectably. There ARE performance issues out of the box (on carpet), and that review didn't even investigate or explain why. That's why it's a poor disservice. It was riddled with pathetic levels of ignorance. Dyson deserve to be both heavily praised and criticised for the V16, but these reviewers are total failures at doing even that, since they've overlooked so much and the key aspects that aren't skin deep. They are useless, and need to be called out and exposed.
Worse, why aren't people even equipped to ask the question why what these reviewers show even happens? The irony is, with a simple mod, the V16 is truly amazing and such an advancement, but exposes other weaknesses in its technology as a result. Not a single person has talked about any of this in detail and it's really important if you want to make an informed buying choice. The US release and reviews just can't come soon enough so I can expose the lot of them. The V16 has such a great story to tell.