You can now prevent users from sharing their own user records with other users across the organization. You can also set Organization-Wide Default for the user object to Private. Business Use Case Higher management in Universal Container doesn’t want to allow their users to share their user records with other users.
A folder is a place where you can store report, dashboard. Folders can be public, hidden, or shared, and can be set to read-only or read/write. It means a user may have access to several report and dashboard Folders. It’s difficult to find the report folder that you are looking