> > Observability Remains Unchanged

> Actually it doesn't, many standard interesting metrics will break because long-polling is not a standard request either.

As a person who works in a large company handling millions of websockets, I fundamentally disagree with discounting the observability challenges. WebSockets completely transform your observability stack - they require different logging patterns, new debugging approaches, different connection tracking, and change how you monitor system health at scale. Observability is far more than metrics, and handwaving away these architectural differences doesn't make the implementation easier.