Possibly AI, possibly younger folks (18-24). “Mental health incident” is only one step removed from algospeak like “unalived”, “seggs”, and “neurospicy”. A detached, memetic phrase that has been implanted into the lexicon by a toxic brew of algorithmic social media moderation and heavy exposure to LLM conversational patterns.

That doesn't seem even remotely surprising to me. Much of the readership here likely consumes inadvisable quantities of caffeine nearly every day and one of the most common side effects is anxiety followed closely by a number of other emotional perturbations.