They still have a big financial advantage for not being owned by the fans but by Bayer AG a ethicly dubious company at the least. Fans just don't like that, they take away a spot in the bundesliga from Fan-Owned Clubs, they take away International campaings from Clubs who would actually fill their stadium in these international games, who could actually use the money. All 4 clubs make the leage worse.
They still have a big financial advantage for not being owned by the fans but by Bayer AG a ethicly dubious company at the least. Fans just don't like that, they take away a spot in the bundesliga from Fan-Owned Clubs, they take away International campaings from Clubs who would actually fill their stadium in these international games, who could actually use the money. All 4 clubs make the leage worse.