It is a bit, true, but the alternatives are worse. XEP-0231 (Bits of Binary) Base64-encoded data inside the text message is more ridiculous idea. Direct P2P connections, which were widely used before HTTP upload, are mostly not working in our day.
>it doesn't support upload resumption in case the network is bad.
There's a draft for HTTP for it: https://httpwg.org/http-extensions/draft-ietf-httpbis-resuma...
It's not that "alternatives are worse, it's that xmpp is a broken protocol, which doesn't include support for anything, even such a basic thing"
>There's a draft
LOOOOOOOOL
Which means that it will never work for human messaging, due to all the IoT cruft.
>Thanks to Daniel, the author of this post, we now have communication profiles which the IM-oriented servers and clients follow.
LOL, he only implemented p2p transfers when it bit himself in the tail on a plane flight.
Conversations is the best of them all, but it doesn't mean that it is good.