I'm not sure how people can't see that futures (as in Java's CompletableFuture) is much superior to golang's approach exactly due to the reasons you mention. Y

I'm not sure how people can't see that futures (as in Java's CompletableFuture) is much superior to golang's approach exactly due to the reasons you mention. You can also have the actor approach (e.g. Akka) to set priorities, have monitoring hierarchies, and introspection.