Earlier quoted context omitted.
Hmm, depends a lot on the State. You can generally make two generalizations about local governments in the United States: they are local governments and you can’t make any other generalizations about them because everything depends on the State and sometimes a locality’s specific circumstances. In California, municipalities do not adhere to the counties they are in, the county is a legal subdivision of the State whic…
In practice, there are no explicit constitutional protections for municipalities. So really, it's all states that can stomp on municipal legislation with impunity if they really felt like it. There might be a state constitution or two on the way, but those are easy to change, and many a state government is capable of either outright ignore constitutional changes brought in by voters, or do some aggressive deception i…
But yes, legislatures can change laws on a whim, which is quite a bit more of a process than when I do something on a whim. Given the half-a-hundred entities that are the subject of your comment, some variability in the laws and political processes creating different outcomes depending on their jurisdiction is an expected result.