I think you did not read carefully and interpret the essence of the last paragraph.
Do not get me wrong or take it to heart: often students fail to get the big picture
This does not mean that the production of computer code is a mundane task: on the contrary, many regard good coding as a highly creative activity.This sentence is there to explain you how a pure practical application of a computational task such as coding can be aesthetically beautiful. another example is math in its pure form such as complicated equations applied in the field of tensorial calculus.
However, that DOES NOT mean that the task per see is practical.
The example of the robot is a clear example of a practical task: giving medicine to the patients.
But our goal is to have an example where, mainly. the computational activity and the tool related to it satisfy our AESTHETICS necessity. We need the form NOT the substance
I hoe now is clear