[1] https://sports.yahoo.com/barcelona-legend-ronaldinho-backtracks-brazil-083000967.html
In addition, the depth of the squad that Brazil has is every manager dream, almost every line is filled with star players, by appointing a quality and experienced manager will certainly increase their chances in the future. If I'm not mistaken, Dorival Junior is still the current manager of the Brazilian National Team. On the other hand, the continuation of the World Cup qualifying round in the CONMEBOL zone can be used as a reference to assess Brazil strength, they will face Colombia who were the finalists of the Copa America yesterday.
Look at the talent on that squad. It's insane. But talent alone doesn't win World Cups. You need a system, a philosophy, a leader who can make those guys play like a team, not a collection of superstars. Other countries have figured it out. Look at Spain a few years back, or Germany. They built systems, not just teams. Brazil needs to do the same. It's not about finding the next Neymar, it's about creating the next great Brazilian team. That takes time, patience, and a manager with a vision. Right now, they're missing all three