Actually, I am a general women's basketball fan, with season tickets (and hence a rooting interest) in Arizona. Before moving west it was Rutgers and we followed them more closely before Vivian retired. It was as a Rutgers fan as I first came to the Boneyard back several iterations ago, when Fishy was still doing regular recaps on the men's side and he had his first child - at least that's how I date it. I would think north of 20 years, but could be wrong.
I watch parts of most TV games, all of some. I rarely invoke streaming services, although I have them. I can't follow everyone in detail, so I aim for staying up on WBB in a general way. Many of the threads are just too time consuming to try and plow through.
As to your comments regarding fans of specific programs, there are a lot of them. I know it isn't WBB but I can illustrate - Rutgers had gotten decent in Volleyball and actually had a fan club (all very briefly, somewhere around 2000 maybe) and my wife offered to bring a video of the last year's Final Four highlights and the consensus was "why would we want to see that?". Not volleyball fans, just Rutgers fans. It carries over to WBB.
And finally, as to Iowa and Iowa State - I know they are both having excellent seasons. I know Audi Crooks and Jada Williams. I recognize the names of Iowa players when I hear them. I'm a coach person, know Jenson has done very well following Lisa Bluder and of course Iowa State has Bill Fennelly. We (Rutgers) came to Ames in the NCAA's in 1998 (we were there) and beat Iowa State to advance in the NCAA's. Place was packed, early in his career. He was not happy. Vivian was.