People make tradeoffs when it comes to where to live. You can surely move, but that assumes you have the financial means (if finding a new job is possible for you and your partner, and your children aren't at a point in their lives where moving would be detrimental), the support system, the friend circles, the third spaces and accompanying social systems, the kind of nature and access to that nature that you've grown used to.
Yes, there are 50 states. But besides some superficial differences, they tend to cluster in terms of policy. So, as a state slides further towards one extreme, it's not easy to decide which straw will break the camel's back. Because it could always be worse elsewhere, and is it really worth the trouble?