Deciding not to murder and not to steal have measurable real-world effects. Voting in a way that results in no change does not. Voting on principle only works w

Deciding not to murder and not to steal have measurable real-world effects. Voting in a way that results in no change does not. Voting on principle only works when you have proportional representation. You should vote in a way that moves the needle the way you want it to move.