Jerry Brown is the reason that there are public-sector unions.
Which is why he is not the person to be elected Governor.
Brown did not become Governor until 1975, how did he create them?
"In California, a more politically conservative environment at the time, public employees remained without negotiating power through most of the sixties, though they could join labor associations. In 1968, however, the state legislature passed the Meyers-Milias-Brown Act, extending bargaining rights to local government workers."