I thought that for some time but in the end it comes down to a...

I thought that for some time but in the end it comes down to a cost/benefit analysis.
You can play in the small leagues and build the odd house in Perth to help supplement OPEX or you can use those machines for demo builds to solidify your manufacturing ramp. This path leads to a much higher level of future revenue and future profits and the highest Net Present Value. This path maximises Shareholder Value even thought it sacrifices some short term benefit. Additionally, it's large contract that are going to move the share price. Focusing management effort on dealing with local building distractions will detract from their focus on the big picture.
In the end, we pay the Pivacs and FBR to make these calls. One has to believe they are making the most informed decision otherwise vote them out at the next board re-election.