Embarrassing, how the media got played to do advertisement for them. Goodbye, journalism.
Marketing pays better than journalism. Nothing new here.
[OpenStreetMap does] not have the infrastructure to handle a twitter like traffic load.
OSM is a database, not a hosted service where you can't access the data. There is no reason to throw a lot of traffic at their servers. Download the data and host it yourself.
But something that would be difficult to scale is the electronics. I don't know what precisely Armadillo is using right now, but I know it includes a Crossbow IMU. The control system for a rocket needs high quality gyros, and while the Crossbow is cheap by the rarefied standards of military avionics, it's still a good fifty grand, and is definitely not something that can be replaced by a wiimote accelerometer.