[mkl]

Huh? It was a joke. Explaining the joke will kill it, but here goes: He was saying that their OCaml skills would still be useful even if they couldn't make money in finance because capitalism fell over. The audience got the joke and laughed. It's nothing like what you're saying.

[2008guy]

What I saw was this guy flatly asserting that a socialist revolution is coming, I thought at first he was talking about Bernie Sanders, and where there should be a punchline there is no punchline. Then everyone gives an awkward and half-cocked chuckle as one does when presented with something so bizarre.