No matter how many times it's encrypted, if it's encrypted solely with keys that Google generates, then it's insecure with respect to stuff like PRISM. What goo

No matter how many times it's encrypted, if it's encrypted solely with keys that Google generates, then it's insecure with respect to stuff like PRISM. What good is locking the door when you can simply give a spare key to someone else? Granted it's a decent feature to protect your data from the run of the mill script kiddies, but I don't see how this allays a single PRISM concern if theyre generating all the keys.