Github user cshannon commented on the issue:
https://github.com/apache/activemq-artemis/pull/2191
@clebertsuconic - My use case is for the "service provider" case where the
administrators want to protect a shared resource broker that services many
different customers and fine tune settings. In this case there is often many
different clients competing for resources and an administrator may want to tune
the broker to lower the window size for slow or bad clients, etc. This doesn't
prevent the user from overriding the setting on their client if they really
want to change the window size of course.
While it's probably not the most common use case it's the scenario I deal
with the most and it is very useful coming from a 5.x broker where prefetch can
be configured per policy.
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