One in three top 10 Hacker News posts this month were AI-related. In 2025, that's hardly surprising, but it made me wonder, when did this start? Was it ChatGPT? Was it GPT-4? Moreover, has sentiment shifted positive or negative over time? This pretty negative post topping Hacker News last month sparked these questions, and I decided to find some answers, of course, using AI. To help with this, I discovered that the Hacker News Big Query dataset is pretty well maintained and includes the title, U...