The pre-defined programs are created to provide means of support rather than dictating people behaviors.
The tubes, as a mean of transport, are the interpretation of two main rules.
Internally, the tubes are metaphorical circadian clock, being able to contral temperature, pressure, regulate daylight to adapt to different species including human being.
Externally, the tubes respond to the outside environment of Dubai's ecology.
As a result, people start behave accordingly to their free will and their intuitive responds to their own natural rythm as well as environmental changes.