I have to think this is more aimed to help recruiting against the other non-UConn schools than against UConn.
Over the last 5 years, only UConn has had better success winning at the college level and producing pros (maybe Baylor is arguable). At best, ND can use this line of reasoning as "We can also send you to the WNBA and we also offer that they don't".
But UConn only takes so many kids and some kids don't like UConn for whatever reason, so it's not like every ND target is also in UConn's crosshairs - many, but not all.
Re the timing, keep in mind that the September 1 was the first date schools are allowed to talk to high school juniors and home visits to those juniors are coming up. This is as much or more aimed at the Megan Walkers of the world than at Lauren Cox.