How to efficiently break your code by using exceptions? Example 2: short-circuiting exception handling

ShortCircuitingExceptionHandling.cs

using System;

namespace FunWithExceptions
{
    public class FolderCouldNotBeCreatedException : Exception
    {
        public FolderCouldNotBeCreatedException(string folderPath)
            : base("Folder '" + folderPath + "' could not be created!")
        {}
    }

    public static class FileUtils
    {
        public static string DefaultPath;

        public static void CreateFolder(string path, string foldername)
        {
            // check if the path is valid
            if (!IsPathValid(path))
                throw new FolderCouldNotBeCreatedException(path + "/" + foldername);

            // The rest of logic to create the folder goes here...
        }

        private static bool IsPathValid(string path)
        {
            // some complicated logic to determine if the path is valid
            return path.Contains("@");
        }
    }

    public static class VindicationUtils
    {
        // The original method written by Richard
        public static void CreateVindicationReportDirectory(string foldername)
        {
            FileUtils.CreateFolder(FileUtils.DefaultPath, foldername + "_" + DateTime.Today.ToShortDateString());
            // The rest of the logic to create the report directory goes here ...
        }
        
        // Same method after being refactored by Alexandro
        public static void CreateVindicationReportDirectory(string foldername)
        {
            try
            {
                FileUtils.CreateFolder(FileUtils.DefaultPath, foldername + "_" + DateTime.Today.ToShortDateString());
            }
            catch(FolderCouldNotBeCreatedException)
            {
                throw new InvalidOperationException("Oops! An error occurred during the creation of the report directory.");
            }

            // The rest of the logic to create the report directory goes here ...
        }
    }

    public static class MyBusinessLogic
    {
        public static void SetupReportGeneration()
        {
            try
            {
                VindicationUtils.CreateVindicationReportDirectory("Customers_Batch1");
                // The rest of the init goes here...
            }
            catch (FolderCouldNotBeCreatedException ex)
            {
                HandleFailureToCreateMainReportDirectory();
                Log(ex);
            }
            catch (Exception ex)
            {
                Log(ex);
            }
        }

        private static void HandleFailureToCreateMainReportDirectory()
        {
            // this method creates a temporary directory to store the reports, in case the main directory couldn't be created
        }

        private static void Log(Exception ex)
        {
            // Log the exception to a file and send an email alert to the admin...
        }
    }
}