>The stark reality is that you cannot possibly continue to generate new amazing videos about the latest breakthroughs year after year, conference after conference. There just isn't enough content.
This is not necessarily true. Some like Ray Kurzweil argue the rate of innovation is increasing. Others like Peter Thiel believe the rate of true innovation is decreasing. But hardly a settled question.
He is referring to TED talks innovative things. Many innovations are impossible to wrap up in a nice way, since doing so would delude why it is an innovation. Check out what happens when the maintstream talks about the latest cancer cure for instance.