How come this is a 'Theoretical Novelty"?

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hrarray
What’s the point of wasting a bishop move in the opening just to get a standard ruy Lopez position?
Laskersnephew

Not as good as a standard Ruy!

Ilampozhil25
crunchwald

After Bd5 it's already -0.39 according to the engine. After Bb5, it's -0.44.