- The IETF held a BoF to create a new protocol similar to TLS but using MLS for key exchange, which is considered a bad idea.
- Replacing protocol components wholesale is common in AI-generated proposals, ignoring the wisdom of preserving existing systems.
- Rewriting protocol components resembles code rewriting, but protocols have unique risks like missing unknown use cases.
- HTTP/2 lost HTTP/1.1 features like mid-request client authentication, showing the difficulty of catching all use cases.