As an analogy, consider the mirrors universally installed in elevators. While these mirrors give the user a false sense of added space in the lift, they also serve as just mirrors; people tend to look at themselves and do not seem to notice how long the lift is taking to take them wherever they are going.

The same tactic is applied by Ubuntu, Microsoft, Apple and others. As you are installing their operating system, they talk about what you can do with you shiny new computer when the installation is over. Minor details about the installation itself? Users simply don't care about those, at least the majority of them.

As an analogy, consider the mirrors universally installed in elevators. While these mirrors give the user a false sense of added space in the lift, they also serve as just mirrors; people tend to look at themselves and do not seem to notice how long the lift is taking to take them wherever they are going. But if they put in a countdown telling people 'xx seconds to go', they'd start complaining how slow the lifts are.

The same tactic is applied by Ubuntu, Microsoft, Apple and others. As you are installing their operating system, they talk about what you can do with your shiny new computer when the installation is over. Minor details about the installation itself? Users simply don't care about those, at least the majority of them.