This is 99% likely the case. Everyone thinks that we need technical voodoo to figure out who a user is. No, people are just far worse at separating their “new”

This is 99% likely the case. Everyone thinks that we need technical voodoo to figure out who a user is. No, people are just far worse at separating their “new” identities from their old ones than they think. You don’t even need a shadow profile tracking previous info to do this. Just infer PYMK via a few friends he adds on the new account.