[johnhiler]

The tricky part is that the username is usually in the profile url… like here:

https://bbpress.org/forums/profile/johnhiler

So even if you required Display Names, the email might be visible in the profile URL.

But I’ve seen where you can make the profile URL use numbers instead:

https://bbpress.org/forums/profile/150000

Maybe that’d be doable as a workaround?