There were more concerns with PSG than just player conflict. Team egos have won big before, right? See Real Madrid's Galacticos. Having older stars and playing in a league that's easy compared to the Champions League doesn't help. Know what? I like this "new" PSG. Without Messi, Neymar, and Mbappe , other players may flourish. The team may play together, determined to prove they're not overpaid prima donnas. May PSG surprise everyone this year? Not likely, but football has seen stranger stuff, right?
We have not yet seen PSG without Mbappe, perhaps only at the beginning of the last season, when the situation with Mbappe was not clear and he was not preparing with the team. Then PSG looked bad, but I admit that the reason was not only the absence of Mbappe, but also that Enrique had just joined the team, and he was just starting to build the team, strategy and game. Anyway, Mbappe was a very significant player for PSG, how it will be now is not yet clear, but someone will definitely take his place and will score, since PSG has always created many chances in attack.
You are definitely right I had never seen a game from PSG before they got Mbappe and since I remember PSG they had Mbappe in the team and that is why since he left the team they have been trying hard to find an alternative player but this is not working for them because they couldn't find any player and PSG seems confused because of not having Mbappe in the team.
However, Enrique said that before that they would fill the place of Mbappe in PSG through teamwork in this team.