Actually for most people learning the Ruy Lopez takes ten times as long as learning the Ponziani. So in this sense learning the Ponziani makes sense.
As for practical results they are almost equal and both in the top ten best openings.
Chess professionals playing Ruy Lopez on regular basis (not only as surprise weapon) despite of its complextity are more convincing evidence than your wishful-thinking claims and shallow analysis.
By the way, Pacifique, there is no upcoming chess book from me.
Of course you may find positions that are not best from the Ponziani if one player makes both the Black and White moves.
If one player makes the moves he can make the game a win or loss or draw.