Whoever deleted my post could've at least taken the time to edit out the off-topic content, as the rest of it was a perfectly reasonable reply.
It is, and I wish people would stop saying it. It's an unfounded rumor with absolutely no apparent basis in reality.
While it is a rumor, I wouldn't be surprised if it was true. No one has ever said that they
do have the source code, and losing it during a hard drive crash while moving between offices seems like a pretty feasible scenario.