Two real accounts from the same remote instance sharing a 1-on-1 DM are different people, not duplicates. The shared DM is a legitimate relay. Only merge when at least one user has passwordHash = '!federation-replicated' (a relay-created stub).
Two real accounts from the same remote instance sharing a 1-on-1 DM are different people, not duplicates. The shared DM is a legitimate relay. Only merge when at least one user has passwordHash = '!federation-replicated' (a relay-created stub).