Agree with you. PSG best era was when they had trio strikers Messi-Neymar-Mbappe. If in that era they couldn't win the trophy, it is more impossible to win it in the current era. We don't forget that they are very difficult to qualify to knock-out round this season. They were almost eliminated in group stage by AC Milan because they have the same total points. How they can win UCL trophy if they were difficult to qualify to the current round? Sure, it seems hard to achieve the semi-final round. Let's hope PSG can win against Real Sociedad first before predicting PSG to be the champion. It Real Sociedad defeats them, there is no way to win UCL trophy for PSG.
When PSG had the trio of Messi, Neymar and Mbappe, their only mistake was not playing with team cohesion, in fact more and more star players were being selfish. This season's PSG squad can be said to be good because it has the attacking trio of Lw Mbappe, St Rmos and Rw Dembele. Indeed, in the group phase, PSG was helped by the difference in points. In fact, PSG is not afraid of any team in Europe, it's just that PSG often makes mistakes that are detrimental to themselves. They did this against Newcastle and Dortmund in the group phase.
In the first leg of the round of 16, PSG must not make similar mistakes that cost them points, especially as PSG has a history of obstructing UCL matches. Besides, Real Sociedad will beat PSG if they don't take it seriously. So if PSG wants to qualify from the round of 16, PSG needs good results at home to have a chance. Because, Real Sociedad will usually easily win the second leg at home.