The discussion centers on the presence of '$recycle.bin' and 'system volume information' folders on drives in Windows, which are system folders that store deleted files until the recycle bin is emptied. Users are advised against attempting to delete these folders, as Windows will recreate them. Instead, it is suggested to configure Windows Explorer to hide these folders by adjusting settings under Tools --> Folder Options --> View. Attempting to remove these system folders could lead to significant issues with the operating system. The best practice is to periodically empty the recycle bin rather than trying to delete these protected system files.