I don't know why do you think that Argentina is inferior to Brazil if we take team balance in to account. IMO, both of them are equally good. Look at Brazil. They have Neymar, Richarlison, Roberto Firmino and Vinícius Júnior as forwards and then Casemiro and Fred to back them up in the midfield. And in defense they have Thiago Silva, Marquinhos and Danilo. Can it get any stronger than this? Now look in to Argentina. Apart from Lionel Messi, they have Paulo Dybala and Lautaro Martínez as forwards. Ángel Di María and Leandro Paredes are super-strong in midfield and defense is under the control of Nicolás Otamendi. Both the teams look equally strong for me.