No changes for 30 years, then one overnight massive swing. Sorry, not buying your hypo at all.
Gee, so every historic election didn’t involve anything happening in the years before to cause it?
People woke up on Election Day of 1933 and suddenly decided they like FDR and the Democrats better and nothing happened before to build to that?
Redistricting only happens once every TEN years. To say the change should have happened overnight or it didn’t matter is absurd. Political trends can take decades to develop. You know that.
Why the resistance? One small part of the VRA backfired and hurt blacks. Why not simply acknowledge that? It doesn’t mean the whole VRA was a failure.