I think you’re missing/avoiding the issue that people might want to hide the very fact that they have a Triplebyte account at all. It implies that they have job hunted in the last 5 or so years, and someone who’s been at a single company for longer than that might not want that information to be available.

I work at Google, and I can tell you as a fact that our Privacy Working Groups would never let us launch something like this without explicit user consent.