This is an angle I hadn't thought/read about. Very interesting.
I am not sure the people, who seem to be really the ones behind this "movement" are really thinking this far ahead. Certainly I could be wrong.
From the provided link.Riverside County Board Member Jeff Stone, a Republican, has cited the dysfunction of California's state government in calling for a new state comprised of 13 of 58 counties. The Riverside County Board of Supervisors voted unanimously to allow Stone to convene a statewide meeting on "South California," and now he is seeking financial support from corporations he believes are discouraged by California's onerous regulations and unresponsive government.
From the first link of google. Republican Jeff Stone wants to split California; make South California 51st stateStone says California is too big to govern, which has led the state to raid local government coffers because of runaway spending.
Jeff Stone, a Republican who serves on the Riverside County Board of Supervisors, wants to host a summit for southern California