Here are my thoughts regarding this poll:

Privacy issues: Only required PT fields are "username" and "email address". In the new PT, your email address is available to others only if YOU CHOOSE to reply to an email within PT.

It's the additional information that maakes a user name a real person, and most people are willing to share that.

Standardize locations: In Profile, additional info, Location - A more precise descriptor suggesting City, State, Country, etc., might help.

How much work would it be to make this change? Only Paul can answer that. If it's not much, my next question to Paul would be - how many affirmative responses here would it take to conside the change?

Yes, this sounds good and I'd use it a lot.