Time to make Kroenke's life a living hell. He's thousands of miles away and hiding in one of his 300 ranches, but I'm sure inventive ways can be found.
How you go about getting them to sell is an open question, given there's no legal framework or voting or whatnot. United have been struggling with this.
Maybe pressure the government to pursue the 50+1 route?
You used to be everything to me
Now you're tired of fighting