First of all it turns out the gerrymanding does not make much difference anymore according to one Study i read. It is part of the problem in Ferguson and around my state but i really think it is mostly just tradition and something to fight over if you are a politician.
In my state we sometime have the legislature perfectly split by party. That is when we actually get useful stuff done. Further one of those times we need to redistrict. So the backroom kids said let's just go with the computer output. Every one was happy with the output. But what was really a relief was that they did not have to waste time fighting over this.
I expect SCOTUS has limited the amount of benefit you can get from the game. Also we are sort of Lilly white anyway. It was illegal to be black back in the day.