Exactly how combat effective do you think barry from ordanance corps whos reached corporal after 25 years and is approaching morbidly obese.Again, the pla is not akin to the adf. You're including people who's roles are here in civil policing. It goes back to how the pla needed to do pretty much everything post civil war (because the rest of the infrastructure was toast). It's kept that partly too in order to be an employment sink (joys of socialism)
If all were deployed in a war, youd have a WW1 Russian situation.
Every army has a tip and a tail.
Infantry
Armoured
Engineers
Artillery
Signals
Int
Are the tip
The rest are the tail - and thats most of the army