Doesn't mean they won't in future though, women's attendances vary wildly - Arsenal averaged 28,000 last season but they're a huge outlier. Three WSL sides averaged between 1-2k.
I do think there's a social and community benefit beyond raw commercial implications to bringing the women's team in - same with disability and community teams etc.
I think its worth bearing in mind what appears to be the direction of travel, admittedly this is entirely anecdotal, but a couple of my mates (who have no interest whatsoever in football) missus's (who I suspect would have not even known what football was 5 years ago) have got hugely into football with their daughters and at least one of them now have a family season ticket at Man City (which is quite a schlep for them, probably 45 mins each way to attend games).
Similarly our (now not so) little one started playing girls football about 4 years back and when she started there were about 6 of them in total, she (thankfully as it was getting to the stage of a lot of traipsing her about for games) lost interest after about 12 months but I'm still in the Facebook group etc and they have 5 or 6 teams now all the way through the age range, so I don't think we should under estimate the interest that many be emerging.
