Great point. The basic semantics are very different too. In MQs you partition/namespace/channel (whatever you want to call it) based on how data flows in your a

Great point. The basic semantics are very different too. In MQs you partition/namespace/channel (whatever you want to call it) based on how data flows in your application (e.g. fanout). In Kafka you're tied more to a persistance model so you end up with fat linear topics and the "filtering"/flow management happen on the consumer's side.