This is a great suggestion. Play along. Take it seriously, as though you believe they wrote every word. Particularly anything nonsensical or odd. Pick up on th

This is a great suggestion. Play along. Take it seriously, as though you believe they wrote every word. Particularly anything nonsensical or odd. Pick up on the contradictions and make a big thing about meeting in person address the confusion. Invite a manager to attend. In short, embarrass the hell out of your coworker so they don’t do it again.