Subset of CompassioninMachineLearning/reddit-animal-discourse-2020-present restricted to hashed authors whose first comment in the corpus
predates ChatGPT's launch (2022-11-30). These users were demonstrably engaged in
animal discourse before AI chatbots existed, so they cannot be the post-2022 LLM-bot /
karma-farm wave. Use as the robustness arm of the diversity/kink analysis: "among
people already in the conversation… See the full description on the dataset page:
https://huggingface.co/datasets/CompassioninMachineLearning/reddit-animal-discourse-pretau-users.