The security issue was a straw-man argument the whole time. The data was public anyway. This was the key aspect: analysis of the open data, and the potential negative implications.
* edit: I forget down voting is a thing. Why I thought i was clear from the start: If someone actually cared about their private jet privacy they would be renting jets... Cause its common knowledge that one can be tracked publicly with ownership information. Or he could push for a change in gov policies, he certainly doesn't mind sharing his political opinion now.