Interesting ideas in an article by Tyler Cowen on effects that "[t]he
eventual falling off of the TV revenue stream will have [...] on the NBA.":
https://www.bloomberg.com/view/articles/2017-05-04/how-couch-potatoes-could-change-the-nba
For a German cultural environment, substitute soccer for basketball and add the side effects of a compulsory Rundfunkgebühr into the mix. Not a pretty picture. Even worse if the parties involved don't even see it coming.