Maybe they improved upon it... apparently the Bose system was introduced way back in 2004, ClearMotion acquired it in 2017.
Source: https://www.extremetech.com/cars/259042-bose-sells-off-revolutionary-electromagnetic-suspension
There's no way an established manufacturer wouldn't have bought it for 13 years if it was commercially viable in its original form
It was a nice demo but wasn't very practical. As i said it would be interesting if NIO can make electromagnetic suspension mainstream but we'll have to wait and see.

දැන් කොච්චර අඩුකුලේ කිව්වත් බැලූ බැලූ අත Xiaomi (Mi, Redmi, POCO), Vivo, Oppo, OnePlus, Realme, Huawei etc etc