There are examples littered around threads on HN. What happens is when people provide the examples, the goalposts get moved. So people have stopped bothering to reply to these demands.

OpenClaw! You just need to slightly change the definition of “good code”. The point of code is to ultimately bring money. The guy got hired by OpenAI and who gives a shit what happens to the “project” next. Mission accomplished.

I'm guessing a lot of the high-x productivity boost is from a cycle of generating lots of code, having bug reports detected or hallucinated from that code, and then generating even more code to close out those reports, and so on