A few things I’ve noticed, in a large “I pick things up and put them down” solution for high dollar-value remote transactions: - a lot of services we need to communicate with have much higher resiliency than in the past, and so we’ve seen a big decrease in operational tasks for our queues that are “guarding “ those transactions; newer workloads might have less of a need to guard; - many services we use support asynchronous execution themselves, using patterns like events/callbacks etc, and while they may use message queues internally we don’t necessarily have to do so; - in what would have been called an “enterprise integration” environment, we are using internal event buses more and more, given they enable looser coupling and everyone speaks http.

From a technology perspective, message queuing has been commodified, I can pull an SQS off the shelf and get right to work. And so maybe the ubiquity of cloud based solutions that can be wired together has just removed the need for choice. If I need mqtt, there’s an app for that. Fanout? App for that. Needs to be up 25/7? …