Their chances are getting slimmer because many key players have left the club, and even the current manager hasn't offered any significant guarantees for Leverkusen's progress. I doubt they can even compete with Bayern Munich because considering the number of players they currently have, they're not as good as they used to be, making it difficult for Leverkusen to compete. Bayern Munich has improved significantly, and they've made many changes, bringing in a number of needed players, so they'll be much stronger next season. The Bundesliga title race is not much different from Ligue 1, as only one team can truly dominate, and it's difficult for other teams to compete if they don't have players of equal quality.
I hope Leverkusen does not perform too poorly. I actually also hope that Dortmund, which has been a competitor for Munich in several previous seasons, can rise again. I actually assess that the quality of the teams in the Bundesliga is better than Ligue 1. However, if there is no team to challenge Munich's dominance, it will indeed look similar to the unquestionable dominance of PSG in Ligue 1.