. Satoshi did not open source from the beginning.
That's also a common myth. The first version of bitcoin (0.1) came with source (it was packaged in the same .zip as the windows .exe).
Yes, but Satoshi built the protocol before the (0.1) release, before he even released his white paper. The Ripple protocol is not complete and not ready for open source release in this environment - it is in closed beta. Satoshi held his own closed trials before releasing (0.1).