It seems like the entire community of elite volleyball athletes is very close. Olivia was roommates with Lexi Rodriguez during one of their national team stints. And when Olivia posted her IG post about coming back, Jess Mruzik and Izzy Starck from PSU both made positive comments. It is so much smaller a group than football or basketball, for example
So on the one the hand, you can't read much into follows. On the other hand, as someone else pointed out, it creates an environment where the athletes can recruit each other to transfer without the coaches being directly involved.