Wouldn’t he need to have reason to believe (say, by being told she’s Signal’s president) that she knows for certain before this makes sense? A “no” wouldn’t convince anyone without that crucial bit of context I think, setting aside the insufferability of this guy.
Or he could just, you know, hover the mouse over the icon, or perhaps even CLICK on the profile: https://bsky.app/profile/meredithmeredith.bsky.social