Bayer Leverkusen proved their mettle. Not only in the Bundesliga, they have played well and won every match in the Europa League. The team is also unbeaten in the Bundesliga. Leverkusen also drew 2-2 in the match against Bayern Munich. And at the moment, Leverkusen is leading by 4 points, having played one match more than Munich. Munich are doing their best to close the points gap.
However, Leverkusen is not losing points, so it is not possible for Munich to occupy the top spot in the table. Bayern Munich must continue their good form if they want to win the title. And wait for Leverkusen to lose trucks and drop points consistently. If Leverkusen don't drop points and continue such a great performance, Munich will not be able to grab the top spot in the table.
I will not use "not possible for Munic to occupy the top spot in the table". If Munic win their outstanding match, they will reduce the gap between them and Leverkusen to just one which can be eliminated by a single draw from Leverkusen. Bayern Munic is a top side that have so much experience as it concerns winning their domestic league. When the season is saturated and fatigue start coming in due to too many matches from Europa and Champions League, do you thing that Leverkusen will be able to remain as consistent as they are while Bayern Munic will not manage the situation properly?
Most leagues are not decided at this early stage of the season because there are many things that can change the trend of the league. Leagues becomes a little clearer towards the ending side, especially when there is considerable gaps between the leading sides. Bayern Leverkusen is doing fine and I hope they keep at it, but it will be wrong to write off Bayern Munic so early.