 But that's all somewhat academic, right? Whether split personalities exist or not, we can hopefully all agree that 10 million people on TikTok didn't all suddenly start suffering from the illness all at the same time. This trend is without a doubt a result of both self-delusion and deliberate fraud and often kind of a mix of the two. Maybe it begins as a deliberate fraud and then people actually succeed in convincing themselves that they really have it.