Playing in the Bundesliga and playing in the champions league are two different competitions and every team approaches each competition they’re participating in differently. Just because Bayern Leverkusen won the Bundesliga title and got qualified for the champions league,
Domestic leagues are too small for the UEFA because a champion in domestic league can be a common club on the champions League and we already saw that with Bayern Leverkusen the year they got the domestic trophy from Bayern Munich and when they got to the UEFA I began to ask myself how they did it to have won the trophy because they didn't show how they got it, even this last season Bayern Munich has won but we cannot say as the got it they would win the UEFA because a lot of good clubs who have also won there own domestic leagues are there.