they will be very very weak after Messi retires
Messi contributed to 90% of Argentina's world cup goals, one way or the other
Grass is green, they will be worse but they are going to get out of group stage and win Ro32 and Ro16 unless they face a team tiers above them
Sky is blue take. Messi's career has outlived all of the other careers of heirs to being Argentina's best player. Dybala was meant to be next up. Garnacho is pure wank. We would need Messi's son to carry the legacy and even then there is a chance he is just mid.