65% chance this is real
I would believe it if he didn't make such a giant mistake by saying multicast dns can be routed over the internet (It's imposable without reconfiguring all of your isp's routers.) Routers block multicast.
Also that he has claimed to have tested it on over 2000 mac's.
edit: Also apples code is just as insecure as microsofts.
Keep in mind most of the os wasn't written by apple just the proprietary parts that make for that magical user experience.