He wasn’t fired. He was demoted into a different position. Reportedly for mistakes made in organizing the Tulsa rally.
So we were given to understand.
But never take anything at face value.
We are the audience at the opera. What we are meant to see is in front of the curtains, but nearly all the work, and the struggles and skulduggery, happens behind the curtains, and that we are not meant to see. But we do get an occasional glimpse of the reality behind the theater.