What about the possibility of "self-gerrymandering" at the national scale? By this I mean people's tendency to congregate with people who are politically likemi

What about the possibility of "self-gerrymandering" at the national scale? By this I mean people's tendency to congregate with people who are politically likeminded. So for every liberal Democrat who moves to Oregon, their vote is now "waste" respecting the presidential election. And every conservative Republican who moves to Utah is likewise wasting their vote.