While we can't "judge" the managers, we can judge the teams and say that if Dortmund somehow finishes above Bayern, then it means Kompany sucks, and Nuri is great. I mean last season they fired Tuchel because he couldn't get them the title, this season they won't look at Kompany twice if he starts to be terrible.
It's obvious that he is not really well experienced, he hasn't managed any good clubs, and this would be his first test, and if he gets like a few bad results after like 10-15 games, there is a potential that he could be fired very quickly. Normally Bayern doesn't like firing managers during the season itself, they wait until the end, but it's different for Kompany, he is a nobody in the managerial world and that means he might turn out to be a very wrong decision.
This is why I believe that it's possible for him to be fired easier than anyone else. Not that they have any other coach in mind, but I am guessing that someone at the top of the free agency list would have been better easily. They spent so much to break him away from his contract too, makes no sense to pick him, definitely not a smart idea at all. Should be something questionable, we will see when the season starts.
IMO, I feel that these two managers are in the same problem if they are unable to bring the team they manage to achieve their targets. whether it's for Vincent Kompany or Nuri Sahin. If Kompany is unable to bring Bayern Munich to its best performance, there is no need to wait a season, it seems like Munich officials will kick him out. On the other hand, the same thing will happen if Nuri Sahin is unable to bring Dortmund to a top four finish in the Bundesliga, then his career at Signal Iduna Park will not last long. more precisely, if these two young managers fail to realize their club's mission and ambitions. So, be prepared to be kicked out of the coaching chair of the squad they are in charge of.
Well, whether it's Kompany or Sahin, neither has a track record throughout their career, but at least Hasin was previously Edin Terzic's assistant coach and knows the ins and outs of Borussia Dortmund. Meanwhile, Kompany has played under Pep Guardiola, just like Xabi Alonso. It is hoped that Kompany will be able to perform like Alonso, but proving this is not easy, especially at a club of Bayern Munich's level. Let's wait and see when the Bundesliga starts, whether Kompany will be able to make Bayern even better. Likewise with Nuri Sahin, it will not be easy for him to make Dortmund remain a top team in the Bundesliga. Well, because in fact these two managers have been appointed by their respective teams. we just give them a chance, at least to prove their performance.