Because having some kind of matchup between... communities (are you trying to say 'ethnic groups' without coming out and saying it?) doesn't seem as good as ha

Because having some kind of matchup between... communities (are you trying to say 'ethnic groups' without coming out and saying it?) doesn't seem as good as having a matchup between the % of people who vote for each party's reps and the actual proportion of reps send, which is what would happen if these districts were chosen at random