PSG always go for the trending players, instead of looking for new young talents that are anxious to play for elite teams, they throw away all of that and focus on already established big names in football, which is why they are where they are today. The president, Nasser Al-Khelaifi, is only interested in the stars; he keeps making the same mistakes, which causes the club to fall behind elite clubs in more competitive tournaments such as the UEFA Champions League. The Parisians first brought in Neymar Jr, who they felt would deliver them the Champions League, but nothing worked, so they went for Leo Messi, who everyone anticipated would do even better, but that was precisely when their chances of winning became more bleak.
It seems that PSG has always been at a disadvantage and despite the fact that you have mentioned, until now they still have not been able to win the most prestigious title, namely the champions league. But on the other hand, in the Ligue 1 competition it is almost impossible for other teams to be able to break PSG's dominance in winning successive titles. I don't think PSG is a bad team, it's just that they seem to be lacking one thing that they haven't been able to solve so far the mystery. This time with Luis Enrique I hope he can find the right solution for PSG.