To see if they want to use something other than their email address as a user ID. They probably don’t want their email address out there in the public, at the very least to ward off spam emails.
Thanks. Came here to check this time, looking before I leap. He is pretty easy to identify even without the full email, and I would think he’d probably not want to be that identifiable as he lives in Salt Lake metro. And you’re likely way more proficient at sending an email from the board than I am.