People know Kafka, it works well, AWS will sell you a managed version, using Protobuf or Json payloads isn’t an issue, and the conceptual model is easy to under

People know Kafka, it works well, AWS will sell you a managed version, using Protobuf or Json payloads isn’t an issue, and the conceptual model is easy to understand. Pulsar may be better, but is it better enough to displace an entrenched piece of core software at the heart of an enterprise?