Hard agree. I'd also argue that any meaningful antitrust action we may eventually impose on big tech companies should force this.
If the one thing so far that's led the feds to threaten this is that they wanted to build a modern protocol for cross-service messaging, then there's no sane reason we couldn't have asked for that exact thing as a spec.
If the one thing so far that's led the feds to threaten this is that they wanted to build a modern protocol for cross-service messaging, then there's no sane reason we couldn't have asked for that exact thing as a spec.