Tite made a Corinthians full of nonamers beat Chelsea in a CWC final, since he joined the national team, the performance of those guys skyrocketed. They were solid even without Neymar, which is amazing because in 2014 Felipão made the team so focused on Neymar that they got lost completely when he had that injury.
Brazil is a strong contender this time. Argentina is really shaky at the moment, and Germany and France are the only ones left. Germany is not even close to that 2014 team and France is france.