People use logging (appropriately or inappropriately; not my bucket of monkeys) for a variety of things including audit and billing records, which are likely a

People use logging (appropriately or inappropriately; not my bucket of monkeys) for a variety of things including audit and billing records, which are likely a good case for a guaranteed delivery API. People often don't think precisely about what they say or want, and also often don't think through corner cases such as "what if XYZ breaks or gets slow?" And don't get me started on "log" messages that are 300mb events. Per log. Sigh.