I think I found the reason
Scalia Died
He messed with the mob/democrats/unions
The Supreme Court heard Friedrichs in late 2015, but Justice Antonin Scalia died unexpectedly in February 2016, leaving the high court to dismiss the case by a 4-4 tie vote afterward, and allowing to stand the lower courtโs ruling that the unionโs agency fees were not unconstitutional.
https://www.breitbart.com/big-government/2018/07/06/teachers-sue-for-refund-of-past-union-fees/