Yeah, there’s inflation, but still the NBA’s global revenue crossed the $10B level for the first time last year:
https://www.sportspromedia.com/news/nba-revenue-2021-22-season-adam-silver/
The NFL still takes in nearly twice as much in total global revenue, however.
When I go to Europe, I see people wearing NBA jerseys everywhere.
Let’s keep in mind that the U.S. population has grown from about 275 million to more than 330 million in that same time period.
It would seem that pro basketball is barely even an American sport anymore.