Recessions, inflation, social media, and loss of communal gatherings also are present in other countries, where mass shootings are rare. In fact, almost all proposed causes of mass shootings fall apart when you consider that the "cause" is also present in other countries that don't have USA's mass-shooting problem. Almost all, but not quite all...

That was designed as a fundamentally subversive set of lessons. I doubt we even have the will to make an accurately subversive movie version of Diamond Age (look at what happened to Altered Carbon), much less create that sort of "book".