It's complicated; these things aren't a unilateral decision and take a lot of time and coordination to pull off. I'm guessing the State Department knows a lot more about what is going on than a common Redditor. More so, this'll probably blow over in a few months when another crisis comes up.

Everyone is also pointing out why is she playing over there? Well, there are at least half a dozen to a dozen players from Canada and America playing in the KHL. Probably the same playing in their basketball league. I wouldn't be surprised if there are a few sports players playing in Russia at the moment. Griner was being an idiot and I think she should get criticized for this heavily.