due to the new rising corona infection numbers, the dfb decided at the beginning of the week to continue the second half of the season at the beginning of january without spectators and thus with ghost matches in the bundesliga 
The match without an audience isn't something interesting to watch and too much echo in the stadium when the players call out each other.
Haaland leaving Dortmund could be a better choice to make seeing how he is the brain behind Dortmund success he is too young to over labour himself he deserves a better club either in the Spanish league or English league where he can play more as a team. As it stands the bundles league trophy is out of Dortmunds agenda all the just need now is enjoy their matches and forget the trophy as it's Bayern Munich's again
No need to leave, when we look at Haaland getting injured several months ago, Dortmund's performance is bad, there is no executor on the front, which makes them lose and draw every match, even champion league too, They need him, That's why he labeling with a high price