[moca]

Your statement is incorrect. HTTP/2 essentially sends HTTP requests/responses through a multiplex channel. The semantics is nearly identical to HTTP/1.1. SPDY has approved it in real world for several years, and many major companies adopted SPDY long time ago (like Amazon Kindle).

HTTP/1.1 is nowhere near simple or elegant. The current spec has 6 RFCs, and a real world implementation is totally non-trivial. RFC1945 is HTTP/1.0, which nobody uses it.

Unless someone proposes an acceptable better solution (Microsoft tried), the world needs to decide on something and move on.