- limit charging to some maximum percentage (maybe 80%)
- limit the charging rate (no fast charging)
- limit the amount of time per charge (with some enforced delay between charging periods)
... the first party to pack areas with new citizens beholden to that party could sway a vote for generations and then set policy.
Instead of moving citizens, move the areas. That's what "Gerrymandering" is.
The people in the large cities have decided to live in an area where they are less represented. That is a choice they made.
Very often, people live where they were born and raised. Population centers tend to grow. So just from the traditional conservative "community" standpoint, no, people did not intentionally CHOOSE to MOVE to an area where they are cheated by the system. Admittedly, the problem is exacerbated by people from the agrarian states moving to the urban areas as society and technology change. Are you saying that a system designed with an unfair bonus for some players, that has become even more unfair over time, should be preferred? I bet you wouldn't think that way about any tech issue.