Which gets an officer no further than they were by itself. That accusation may slightly hurt your character if that officer testifies against you, but politely

Which gets an officer no further than they were by itself. That accusation may slightly hurt your character if that officer testifies against you, but politely declining to give that info and remaining calm during the stop is the best chance you have of not being unnecessarily arrested. A rogue officer acting under color of law with an axe to grind against you won’t act any differently if you are compliant with the social media handle info or not.