Ideally async and backpressure will advance to make better use of scheduling, prioritizing, quality of service shaping, termination conditioning, and the like.

Ideally async and backpressure will advance to make better use of scheduling, prioritizing, quality of service shaping, termination conditioning, and the like. As an example, there's a big difference between the async needs of one paying customer who's loading one medical chart web page vs. some free third-party web crawler trying a daily full text scan of an entire site. Async with cost functions feels like a promising area for real-world use cases.