While a Victorian I do hate to seen no ships being built at Williamstown I think some clarity needs to be bought in.
While the Eastern states wont be building the ships as per the shipbuilding plan no where in it does it rule them out from from building hull sections.
We wont be seeing the closure of every other ship builder as some states (Vic) are dramatizing but simply that the final build states taking place at 2 set locations allowing for all other shipbuilders to evolve from ship builders to block builders.
This in no way will guarantee a monopoly for the unions in Henderson or Adelaide. Ignoring the fact that in the past the unions have largely sorted issues out before the build then worked extremely professionally to the highest global standards through out the build if they start pushing it there is nothing to stop the government shifting any block construction/after build outfitting taking place there to other locations.
The assembly of the blocks are only part of the full build.
On a side note, Naturally the WA Mafia had to start up again with them 'only' getting $100m of the $1.3 billion in upgrades, Complaining that the $1.2b to SA is wasted as WA already has everything needed in place (No they dont, what they have is geared towards paramilitary craft at best, civilian vessels for the most part and only a fraction of it is for steel, Vastly different from high tech combatants) and dismissing the fact they will receive the bulk of all RAN maintenance and support through out the life of the vessels.
OT but part of me would just love to see the secessionist nut jobs in WA succeed just to watch the state economy bugger up on them.