They'll still be making money as the tickets are mostly already paid for but it's absolutely devastating in terms of our stature & appeal. Big sponsors don't want to be associated with a club where the stadium is half empty - it's why Italian teams struggle in that regard. It's far more impactful than a few losses away from home.
For the sake of getting rid of the old man, I hope it stays like that for the rest of the PL. Do want a full crowd for Atletico though.