And from that I can track down your social media accounts, perhaps your forum accounts, you most likely have the same username/identifier for all forums, correc

And from that I can track down your social media accounts, perhaps your forum accounts, you most likely have the same username/identifier for all forums, correct? Now I know everything about you. Also important to emphasise that once you know someone's user/email you can cross reference against leaked database dumps to reveal passwords. They might have changed them since on X website but may not on other sites.