If you can , switch to heartseeker . The situation is reversed. However, the horde hasn’t given up. They actually fight when the odds are against them much more then the alliance did on my former server kromkrush.
I mostly solo or duo on heartseeker. Sure I get zerged a lot, but I also get a lot of honor in the 1v1 battles. When I feel like it, I put on some healing gear and join the horde raid at kargath/orgrimaar defense and start healing my fellow horde.
As much as i hate to say it, you can still go out in the world to find battles instead of camping BRM. Sure you won’t get as much honor, but , at least you can let the low levels level up instead of adding to the problem. Honestly the road to rank 14 is a marathon, not a race. There is no reason to no life it before rank 12.
Blizzard should have had the hindsight to expect this would happen. I don’t know why they wanted overpopulated servers to begin with. They could have implemented many things to fix the balance.