Jason could honestly feel that a company or two has received a lower valuation then they deserved, but isn't that the early stage VC game in a nutshell? Investors trade time for value - they invest early in something they think will succeed. In the end, early stage investing isn't a bad route for people to take. Sometimes, it's the best (or the only) way for a product to get off of the ground.
However, one of his core strengths is talking. He knows what to say and when to say it and how in order to attract people. He is using this issue as a platform to reach his existing audience while attracting new people.
I'm not saying that he's right OR wrong about the issue itself. What I'm saying is that he uses topics like this as a platform to further his own influence. The proof is in the pudding... this is a hot story on HN and hundreds of new potential viewers have checked out the clip and likely the entire show.