The issue with Harry Kane is that he needs to score more goals in the important games. Now at the European Championship there wasn't much coming from Kane. Penalties and one goal, the header against Slovakia which was decent positioning but rather expected from him to score that easy goal.
But Bayern doesn't gain anything from Kane scoring 40 goals in the Bundesliga when eventually they lose the important matches because Kane gets neutralized in a smart way by the opponents.
He is a good striker, but Bayern has some problems on the wings at the moment. Sané is way too inconsistent, Coman is injured frequently, etc. I think Leverkusen will play another strong season although I don't think Bayern will be as weak as last season.
Kane does his job very well, I had no doubt that he would continue to score in Bayern because they have very good support for the forwards. From the first season he was able to become the best in the Bundesliga, otherwise he does what he can do very well and Bayern’s problem was not a bad attack, but a bad second half, when they conceded too many and could not maintain the winning score.
I really don't know what the case is for Kane but until now, he has been outstanding in all the clubs he has been and matches featured in. Kane is a sort of player you wouldn't want to let free in the pitch because he has as much ways to get into scoring goals, that is the reason every club tries to neutralize him from putting on those play, whereas his other team mates are kind of incapable to just fit in that position of dominating and scoring those goals understating that all attention is already drawn to Kane.
The other players are incapable not Kane, imagine scoring 30+ goals in a season in the Bundeslisga and yet they did not win it. If only him had such impact what then can we talk about others. Only him can't win them all the trophies.