Take into account the large number of sections that must be developed for an application. If option 1 is selected, only a few sections must be displayed, while the rest are for a different option. Instead of setting a display condition on each section, you can place the condition in one section and designate other sections as sub-sections of the main section, which would save time.
In the event of future modifications, it is simple to maintain. You don't have to keep track of how many sections are in the same condition.
Furthermore, if any other criteria must be applied to the same section, you simply need to do so over the main section, and your work will be completed in just one step.