Toxicity is harder for AI to fake than intelligence

"The next time you encounter an unusually polite reply on social media, you might want to check twice. It could be an AI model trying (and failing) to blend in with the crowd. A new study reveals that AI models remain easily distinguishable from humans in social media conversations, with overly friendly emotional tone serving as the most persistent giveaway. Also, the AI models struggled to match the level of casual negativity and spontaneous emotional expression common in human social media posts." -ArsTechnica