I see. Yeah, obviously the world only has 3 spatial dimensions, so you can’t represent 4D data spatially.
My general point is that we have additional senses that we can use to represent additional dimensions. And that totally counts as “visualization”.
What are you going on about? Have you ever ridden in one of these?
They do have these buttons…
https://support.google.com/waymo/answer/9172373?hl=en