There is no worry about Bayern Munich defeat, as Leverkusen also dropped points in the same week, but still, it was a surprising defeat for many. Both teams will continue to compete until the end of the season, and with Leverkusen dropping points more often, closing the gap that has formed is a difficult task.
Kane is getting closer to experiencing his first domestic league trophy, and that's the main reason why he joined Bayern Munich. Not only trophies, Kane also has the potential to win individual awards by becoming the Bundesliga top scorer in this season. So far, Kane has scored 21 goals in 25 matches, which of course will continue to increase in the remaining 9 matches.
You are right Bayern Munich loss wasn't too bad because Leverkusen also did not win that week. But it was still surprise for many fans. Fight for championship is not over yet and both teams will keep trying until end of season. Leverkusen has nog been playing well consistently so it is hard for them to catch up but Bayern Munich still has good chance of winning. For Harry Kane this season is big chance to win his first league trophy which is why he joined Bayern Munich. Kane is also doing very well and might become top scorer in Bundesliga. He has already scored 21 goals in 25 games and with 9 games left it is exciting to see how many more goals he can score.