Quote (Thor123422 @ 4 Sep 2020 21:51)
That's a pretty poor definition of gerrymander lol. Any good definition has to include that you are attempting to establish a disproportionate advantage. The first line of the wiki definition is much better.
Gerrymandering (/ˈdʒɛrimændərɪŋ/,[1][2]) is a practice intended to establish an unfair political advantage for a particular party or group by manipulating district boundaries, which is most commonly used in first-past-the-post electoral systems.
Otherwise literally any modification of borders counts as gerrymandering.
See, and that's the crux: finding a scientific definition of what distinguishes an unfair from a fair political advantage; a definition that is consistent, reproducible and valid - and agreeable to both sides of the political spectrum on top of that.
Like I already mentioned, the current Democratic coalition in the U.S. tends to self-pack into ultra-blue inner city districts, which means that any map drawn based on nothing but apolitical criteria (like district compactness or minimizing cuts to county lines) will yield a House map thatl slightly favors Republicans. Is that kind of advantage fair or unfair?
Another example is Massachusetts, a state with 9 Congressional districts where Republicans make up around one third of the electorate. However, Democratic support is so evenly and efficiently spread out across the state that it is almost impossible to draw a map where Republicans can win a seat, even though their statewide vote share should net them roughly 3 of MA's 9 seats. One would have to go out of one's way and draw frankenstein seats to get a Republican seat in MA. Hence, MA exhibits some sort of "natural gerrymander" in favor of Democrats. Is this a fair or an unfair advantage?
It is not trivial to come up with an answer to those questions.