Right, so as time progresses news comes out about said hardware being hacked. I think you've validated his point. 5 years from now we will see how today's cameras have been hacked.
This was a known weakness back then, not some amazing breakthrough, and unless the vendors are actively lying about the hardware there's no way for someone to “hack” the power connection without a soldering iron.
https://news.ycombinator.com/item?id=23796606