For messaging purposes, it is absolutely identical to JSON in this regard. Once you have many existing implementations out in the wild that need to interact with each other, you'll need namespaces or their NIH analogue. And JSONs with namespaces will be just as bloated as XML.
Understand this: xml is meant to be read by computers, not humans.
> The criticisms linked are all valid, and there are good reasons it's being abandoned
It's 2022 and there is still nothing better for federated messaging.
For messaging purposes, it is absolutely identical to JSON in this regard. Once you have many existing implementations out in the wild that need to interact with each other, you'll need namespaces or their NIH analogue. And JSONs with namespaces will be just as bloated as XML.
Understand this: xml is meant to be read by computers, not humans.
> The criticisms linked are all valid, and there are good reasons it's being abandoned
It's 2022 and there is still nothing better for federated messaging.