Prasanna Sankar on the real bottleneck in software now: "The big thing that has happened is models have become way better than any human right now in coding. It's any frontier model, GPT can do it, Anthropic stuff can do it, anyone can do it. So coding has become a commodity." "Now the time that engineers spend is elsewhere. It's verification and testing. There are still parts which are not reinforcement learnable really well, or we haven't figured out how to do it yet, which involves things…