*facepalm* Why do I bother? Did you even read what I said? It's not that simple. How do I know where I copied it is safe? You are demanding that everyone who uses the currency be tech savvy. I don't care how reasonable you think that demand is because you happen to be tech savvy, it isn't.
Moving a file to a USB-stick is not difficult...
But yes the user friendliness of the client need to evolve a lot when it comes to managing the wallet data.