Exactly. You can see lots of labor at work in that video. Then all the power wiring, server racks, comms wiring, industrial cooling, insulation, backup power, fuel storage, HVAC, etc needs to go in. Maybe the shell of the building could save a couple of percent in total building costs.
Then, in the end, you have a butt-ugly building the neighbors hate.
There is a YouTube channel I subscribe to called The Build Show.
He is a builder down in Austin. His channel is sponsored by Builders First Source, Rock Wool, among others.
He has shown a few of these 3D wall projects on his show. Including the final results and reviews by the actual home owner.
There are good and bad points.