The Norwegians are free to choose EU policies they approve of and adopt them while the EU is still grinding its way through the process.

That's the perfect definition of selfishness: let's pick those policies of the group that are advantageous to us while sitting out those that would have a cost, or be inconvenient for us. Solidarity is not a one way street.

"Oh but we're rich, so we would pay all the time". "Oh but we're doing things a lot better, why should we lower ourselves to the paltry EU standards". Back again to our starting point.

In the long run, we're all dead. John Maynard Keynes