En-rooter,
To be fair ... first, it's a Unicom, not CAGRO ... there's a big difference.
Secondly, their real reason for being is to tell your Rex friend about bugsmashers that, obviously, Centre has no idea about.
Having said that, I still don't think they can add any REAL value ... unless they can see the runways.
The cynical amongst us might think that Airservices is setting them up to fail
What's in it for Airservices? Bugger all, your Honour ...