Being incredibly car-centric is probably our biggest issue in my opinion. If you're expecting to be able to use public transit or even walk to basic necessities, and are looking to purchase a house, you'd likely be looking at areas outside of your price range, generally within highly urbanized city centers. Owning a car is very much the norm here, even within those urban environments.
In this case it's referring to the fact that the OS is built upon the same containerization technology used on cloud platforms such as Kubernetes. As a marketing tool it's a bit buzzwordy, but it's not about running the core OS components outside of the physical machine here.