The central idea seems so important, with so much benefit to education if it were true, that it would justify a large scale rigorous experiment [ just as a new

The central idea seems so important, with so much benefit to education if it were true, that it would justify a large scale rigorous experiment [ just as a new kind of promising medicine would be trialed over a wide sample ] Maybe schooling is stuck in a local maximum, because we don't do things like this, because its not socially acceptable to 'experiment with our childrens education' ?