I'm the author of the referenced article. I agree, even low-rated players should learn at least a few moves of a few openings. I think trying to learn 12 moves

I'm the author of the referenced article. I agree, even low-rated players should learn at least a few moves of a few openings. I think trying to learn 12 moves is too much for a beginning player, but knowing a few moves is helpful because it helps you avoid some easy blunders.