Yeah I would argue that it's possible to do it well with Backbone, and you end up with something much leaner but it requires a really strong understanding of st

Yeah I would argue that it's possible to do it well with Backbone, and you end up with something much leaner but it requires a really strong understanding of state/event flow and lot of discipline, whereas with React the correct way to handle this is the 'obvious' path, which dramatically lowers the barrier to entry.