I would describe our needs a little differently.
It’s not that we are mailing list centric. Sure, there are some who prefer email, but it’s a minority.
I would describe our ‘problem’ as more being related to the fact that we are a “heterogeneous community”.
I imagine large organizations (eg “enterprises”) having similar issues / use cases.
I think those use cases may be worth exploring more deeply if that’s an area that discourse wants to do better with in the future.
Here were some earlier thoughts on the subject:
The several other topics link to that topic describe overlapping problems and ideas…