Many doubt Ten Hag and not only that, Leverkusen's management also does not support by bringing in many quality players so we can see that overall Bayern Munich's strength is much better than Leverkusen so I think realistically that Leverkusen will not be able to put fierce pressure on Bayern Munich for the Bundesliga title.
It's understandable that many people doubt Ten Hag, as there are many factors that could make Leverkusen far worse than last season. Of course, we hope for better, but with the current squad strength, it will be a little more difficult for him to bring about change, especially after several key players left for other teams. Putting pressure on Bayern Munich to disrupt their dominance of the Bundesliga title is indeed difficult, as the quality of the players Bayern Munich has is far better than most teams in the Bundesliga.