That is not the primary function of the card and your right if uploading to your PC is all you expect the O-FC1 todo then standard SD cards are considerably better option.
But if you want to control your camera from a remote device then the O-FC1 is considerbly better than a standard SD card
or
If you want to display each shot on a large screen as you shoot again the O-FC1 is you tool
or
You want to have easy access to images to show your client during the shoot then again the O-FC1 is the tool
or
you want to folder watch with your processor of choice the O-FC1 will do that to (but painfull as WiFi is slow)