Why is reducing the number of layers in a map important when preparing for public access?

Reducing the number of layers in a map is important primarily because it enhances map clarity and reduces crowding. When a map contains too many layers, it can become visually overwhelming for the user, making it difficult to extract meaningful information. A clear and uncluttered map allows viewers to easily interpret the data presented, facilitating better understanding and engagement with the information. This is particularly important for public access, as the audience may have varying levels of expertise and familiarity with the subject matter. A simplified map design can lead to more effective communication of geographical data and help users focus on the most critical elements without distraction.

The other options do not accurately address the fundamental goal of reducing layers. While legal regulations are important for data presentation, they usually do not specifically relate to the number of layers and their clarity. Moreover, layers do impact map performance; having too many can slow down rendering times and hinder user experience. Lastly, creating a more visually intricate map diverges from the goal of clarity, as it can complicate the user's ability to discern key information.