Security permissions are irrelevant for any drives that can be physically accessed (especially portable drives) - you can just plug the drive into a PC which ignores the permissions.
My western digital 2.5TB drive came formatted as one giant FAT32 partition (as do all WD Elements drives). They even provide a utility to reformat it back to that state:
http://support.wdc.c...&sid=34&lang=en
Most devices capable of playing media from USB (BluRay/DVD players) don't support NTFS. PS3s don't support NTFS. Tablet devices (by default for android) don't support NTFS. It is simply not a suitable filesystem for embedded devices to handle.