It all depends on what you need the suspension to do for you.
The only reason I've not gone to a standard springs and shocks setup is SLS auto adjusts the height to level regardless of additional weight in the car.
I do occasionally have 4 people in the car wil a fully loaded trunk. Most cars will bottom out a bit. You must have seen some where the rear rides lower than the front. In cottage country runs on the weekends, they have their headlights pointing to the sky and blinding all oncoming traffic.
Adding EDC then firms it up on those fun windy northern roads even with a full load of passengers and luggage.
E38 5.4L V12