On the contrary, it amps up the intensity to the zenith. Penalty shootouts are brilliant entertainment and a great way to finish the game if tied after Extra Time.
"In Europe’s top five leagues, 10.41% of the goals were scored from penalties"
https://www.driblab.com/driblab-en/how-significant-are-penal...
If I am coaching a national team, I am studying every game in this tournament and learning exactly what characteristics, what combo of players, what scenarios are most likely to generate PKs and going all-in with that strategy. Maybe Argentina's coach already did.
Eventually the box was reduced and now penalties are a (99%) sure way of scoring.
I don’t know why you mentioned Messi and etc., I was replying to what you said about trying to optimize for PKs during a game.