On the other hand, a protocol that has been battle-tested and proven to work in the real world makes it much easier for a standards body to accept: there is les

On the other hand, a protocol that has been battle-tested and proven to work in the real world makes it much easier for a standards body to accept: there is less risk of making a standard that nobody uses. The important point is not to make proprietary deviations to the standard. Of course, Google is guilty here (Chrome-only web service, mostly) but when it comes to network protocols they haven't behaved badly, especially when others were pushing for HTTP/2 without TLS and other harmful ideas...