Your quote doesn’t really indicate that there’s not a boom. It just indicates that WNBA is still not as popular as the NBA.
There’s been a substantial increase in viewership.
Across ABC, ESPN, ESPN2, CBS, ION and NBA TV, WNBA games are averaging 1.32 million viewers, nearly tripling last season’s average of 462,000, the league said Tuesday.
Your quote doesn’t really indicate that there’s not a boom. It just indicates that WNBA is still not as popular as the NBA.
There’s been a substantial increase in viewership.
https://www.espn.com/wnba/story/_/id/40326422/wnba-earns-record-tv-ratings-1st-month-record-attendance