Unmanaged folders in Field Path Relation

In a vault with a Field Path Relation, any user that has the privilege "Create child folder" can create "unmanaged" folders, ie. folders that are below the lowest level of the FPR controlled folders. Having such folders in a vault may give users results they don't expect, such as documents that are moved to the nearest FPR controlled folder. In general it is advisable to avoid the use of unmanaged folder in a vault with an FPR relation.