I think they misunderstood the issue. Changing an egg for a human shape isn't going to push new users to change their avatars now, and you can still distinguish

I think they misunderstood the issue. Changing an egg for a human shape isn't going to push new users to change their avatars now, and you can still distinguish a new user by its avatar like before. It's just a different but common identifier. They could have gone with a random item, or even a randomized pattern.