If you simply get the relevant users to ‘Watch’ the topics that they should be troubleshooting you could achieve that without the impossible-to-manage group overhead.
To make that workflow easy, you might need a bespoke plugin / theme component though. But it would be a simple one. Sample spec:
- Specified group (staff by default) have an extra option
Force(or similar) on Watching menus Forceopens a modal asking for group / users and the level of watching desired- This is then applied on confirmation
- A useful extension would be to:
- display on the modal which people/groups have been forced to watch (and what level) that topic / category / etc in the past