“Stack Overflow question volume has declined more than 80 percent since the launch of ChatGPT in late 2022.”
The graph is the cleanest visualization of the AI transition you will see anywhere. Stack Overflow was the canonical Q&A site for working programmers for fifteen years. ChatGPT shipped, and the questions stopped. The model is now the first place developers ask. The corpus of answers it was trained on is the very same corpus that is no longer being updated. The well is poisoned and the model is what is doing the poisoning.