You're right one big mistakes that the PSG management where doing was the idea of bringing big name players to the club with the hope of winning the champions League it never worked because a team is never built with Great players who plays individual football rather than a team work because looking at the Neymar and mpappe era it was charactarized by individuals football not as team work, what is making PSG stand out is the team work that this current coach has instilled in the team.
Like your words.
Sometimes, even very good players do not progress the team because if there is only self-achievement in the game, the team does not progress, it only has personal achievement.
But team achievement requires teamwork, which is possible through good understanding among the players of the entire team. In this case, sometimes there is a bit of a stubbornness among the players who perform well, which basically becomes an obstacle to the team's achievement.