And it's not remotely "YOLO vibe coding". All the code gets reviewed, and tested thoroughly, and they are worked to specs, and gated by test suites.
What I don't do is babysit the LLM until it's code passes both the test suite and automated review stages, because it's a waste of time.
Others of these projects are research tasks. While I wrote this comment, Claude unilaterally fixed a number of bugs in a compiler.