The politicians in charge want it. So pretty much every republican and a sizeable amount of democrats. Without actual representative voting, both parties would loose a lot of members to new founded parties who now suddenly do have a realistic chance of actual political power. None of the established people in the parties want that. After all it’s working out just fine for them.
Nobody does but you’re not a democracy so it’s tough luck
The politicians in charge want it. So pretty much every republican and a sizeable amount of democrats. Without actual representative voting, both parties would loose a lot of members to new founded parties who now suddenly do have a realistic chance of actual political power. None of the established people in the parties want that. After all it’s working out just fine for them.