I've been wondering this for a while. They seem "committed" to having multiple storylines, or at least matches, with the women on each episodes of each show. The problem is, one of the two of them are usually terrible, especially on Smackdown Live. Would tag belts be an easy way to make the second storyline actually count for something?

They also have some pretty natural tag teams/stables: The Iconic Duo, Absolution, The Riott Squad (this would give both them and Absolution an actual purpose), Naomi/Becky Lynch/Charlotte?, The Welcoming Committee or whatever, Alexa Bliss/Mickie James, etc.

It seems they've gone away from this with the men in recent years but they could even have it where being involved in the tag team title picture doesn't automatically rule you out from the solo title picture. It just seems like there are a lot of fights that just kind of happen for no reason and they're wasting the talent.

Edit: And I know not every storyline needs to be tied to a title but the non-title storylines on the women's side seem especially pointless and there are plenty of solo/non-aligned workers around to not undermine the top prize.