Right, that specific claim should be understood with US high schools and higher education in mind. There the massed approach rules the day. Since these things

Right, that specific claim should be understood with US high schools and higher education in mind. There the massed approach rules the day. Since these things I mentioned are well demonstrated to be effective and you don't think there's anything left to be had with a subject-agnostic approach, I infer you have a high opinion of how well these countries have implemented these "tactics". Is that right?