the researchers advise avoiding the urge to interpret this demographic transition to mean that the urban population has greater importance than the rural.

Importance in the overall sense, true. But on the cultural level, rather than the economic level, this is significant indeed. Entertainment is 99% a product of urban areas. The greater the number of consumers of this entertainment that live in urban areas, the greater the schism between what rural-dwellers want to see and what city-folk can relate to. In that sense, the urbanite continues to grow in importance as he outnumbers his rural fellowman. It may also end up contributing to a greater clash between those with old-fashioned values and those with progressive values.