>> You don’t usually want your user sitting around waiting for all those services to talk to each other before they a notification that the process is complete

>> You don’t usually want your user sitting around waiting for all those services to talk to each other before they a notification that the process is complete or not. I have had this exact use case in a problem I was solving where the user was waiting at the other end. Please do not presume that only the problems you have solved are worth solving or exist in the real world.