The German bundesliga is one league I don't too fancy because of it boringness.They allow only Bayern to be winning the league year in year out without giving them any tough competition.It has always been like that,that Bayern will end up winning the league at the end of the day,but it is bad that the other teams that were supposed to give them firm threat and competition are not giving them,therefore,it has made the league boring.
the only team that I thought were going to challenge them for that trophy was Dortmund,but instead,Dortmund choose to sell their best players every season,to give Bayern the power to dominate them well.
No wonder you think that the Bundesliga is a boring league because Bayern Munich's dominance here is very high. I too am one of those people who think this league is boring for title fights. I prefer to see the Bundesliga in competition for the top 4 positions, because the competition there is still a lot of teams that are able to provide competitive competition.
You are right that Borussia Dormund is a team that can actually put great pressure on Bayern Munich. But if they continue to only think about money then they will never achieve great success in this Bundesliga.