Comment by dustingetz

A problem w/ e.g. CRDT datasync in web apps is data security, HTTP resources impose control points where you know "why" the client is asking for e.g. this chunk of social graph, it's /profile/friendlist so the UI can ask for a very controlled and tightly specified data projection for that particular UI and consumed by tightly controlled javascript. Datasync is NOT for scraper bots, arbitrary read patterns or any notion of general access.

Immutability makes data control way harder ...