At the beginning of this season I had speculation that there were several clubs that would try to compete and prevent PSG from winning the title again.
-Marseille
-Rennes
-Lille
-Lens
-Monaco
Of the 5 clubs, I am sure they will perform better than last season because looking at the first match, the 5 clubs have performed very well as if they are ready to face tough obstacles in League 1.
Upcoming match schedule.
PSG - Montpellier
Lyon - Monaco
Lille - Angers
In that match, PSG must get 3 more points if they want to win the title again because Montpellier is not a strong club.
Or if not, Lille will get 3 points by beating Angers.
Apart from PSG, there are several big teams, although not as big as PSG in Ligue 1 who won their first match, the teams you mentioned have had a good start to the season with a good win, but it seems like you are expecting too much from these teams which even I don't think they will have the ability to prevent PSG from winning the championship trophy this season, currently PSG may not be in good condition after they were left by Mbappe but I don't think this will change their chances of continuing to dominate Ligue 1 this season, Montpellier will face PSG in the second week, let's say PSG will lose the match against Montpellier and allow Lille, who beat Angers, to take over the top of the Ligue 1 standings, so how long is it possible for Lille to stay at the top of the Ligue 1 standings later?
If you remember the previous season, of course you can see that PSG never actually controlled the top of the Ligue 1 standings at the start of the season, but PSG actually took over the top of the standings when the season almost entered the middle and that's where they confirmed themselves as the rulers of Ligue 1 and left the others teams with a large difference in points.