United FA prohibits Internet communication on p.s. flight for "security reasons"

It seems a lot of bloggers on the Huffington Post fly on United.

Yesterday, tech journalist John Battelle was minding his own business, video chatting with his wife and children from 30-plus thousand feet in the air, when a flight attendant informed him that he must disconnect the video stream for security reasons. Battelle was informed that the camera posed a security risk since he could potentially communicate with a terrorist.

Does that mean the Airfone's are just decorations?

Battelle was then shown the United Airlines policy manual "which prohibits 'two way devices' from communicating with the ground."

That means that video chat is against its policy, the Switched team chat is against the policy, and United Airline's own in-flight Wi-Fi service is against the policy. 

Bottom line, the author is correct. If two-way communication is not allowed, then why are we allowed to contact "terrorist" satellites from 30,000 feet above the ground?

Story here.