This. Some of my clients are on one of the spectrum with lots of PaaS offering in use especially features such as queues. Others prefer to be agnostic and won't

This. Some of my clients are on one of the spectrum with lots of PaaS offering in use especially features such as queues. Others prefer to be agnostic and won't use any specific features. I guess it depends on what you want and how comfortable you are administering Rabbit etc.