The description says:
So here’s the thing, I don’t believe in efficiency. It’s our obsession with efficiency that has got us into the current technology mess, and which has led almost directly to heavy waterfall processes. Efficiency is how you let the big vendors sell their bloated technologies to the poor CIOs.
Dan talks about efficiency (doing things right) versus effectiveness (doing the right things). One of his comments is that Effectiveness is often inefficient.