That the opponent has a pawn more is quite possible. But that is also the purpose of a gambit. Black has quite a lot of room for that :)
The variation you publish may be the main variation. But it is deadly boring. Based on the Lichess rating, I would say that we have a maximum of 1650 Fide Elo here. Except for the CM.
If you take a look at the database, you will see that it is a normal distribution. 1933 games can be presented as meaningful.
Take a look.
www.365chess.com/eco/A02_Bird_From_gambitWhen I go to a tournament, I want to play chess and not play old books. And the most important thing is that we are all not engines. We make so many mistakes. A rating of 0.5 is worth nothing.