I guess the flip side is that there is no community for it anywhere on the fediverse at the moment and most people aren't going to take the initiative to create one. So you kinda don't know until we try.
If you aren't in the public service you might not realise how big the subreddit is and the potential for a Lemmy community. I'm happy to take the L and fold it if it doesn't take off.
And yeah happy to moderate. I am an active union delegate in the APS and I think healthy and productive discussion of the APS is one of the best ways to ensure it remains accountable and employee conditions are preserved.