I can tell you that trauma, dissociation, and the experience of multiple identities (often referred to as Dissociative Identity Disorder or DID) are complex psychological conditions that can result from a variety of factors, such as childhood abuse, neglect, or other traumatic events.
The internet, as a tool and communication medium, can expose individuals to various content and experiences, some of which may be distressing or traumatic. It can also provide information and support for individuals dealing with trauma-related issues. However, it is not the direct cause of dissociation or DID. These conditions are generally the result of early-life traumatic experiences and coping mechanisms that the mind develops to protect itself from overwhelming emotions.
If you or someone you know is struggling with trauma, dissociation, or other mental health issues, it's essential to seek help from qualified mental health professionals who can provide appropriate support and treatment.