You nailed it. Everything doesn't need to be a rich internet application. One important aspect of this trend is that it based on decisions made by a few for t

You nailed it. Everything doesn't need to be a rich internet application. One important aspect of this trend is that it based on decisions made by a few for their specific use cases and then copied, without much analytical decision making, by the majority. The assumption that Facebook, Google, Amazon, or Apple know better in all categories tech contributed to widespread adoption of SPA's.