The ban is toothless. Toothless but refreshing. What conceivable reason would the state of California have to spend taxpayer money in Alabama or Tennessee anyway?! I don’t know a lot about state politics, but I would hope a state government would have even less reason to spend money in, say, Saudi Arabia, so maybe that’s why they haven’t banned spending money in any foreign countries. Besides, it’s not a total ban on spending in the designated states, there are loopholes.
If CA does secede, I’m going. My wife was born there so maybe that will be our in.