The demo in the page of the "NIO ET9 SkyRide Fully Active Suspension system test"? - I presume they included that to show the legacy systems? If you do a technical dive through the CM technology it's clearly not just a magnetic fluid/hydraulic, this site gives a good breakdown: https://mf-topper.jp/articles/10003931
much like every luxury brand has tried at least once or twice in the past 30 years.