JLBPCB does small runs cheap as a loss leader, so they get the production runs, if any, later. Also, they get to see what people are doing, in case something in

JLBPCB does small runs cheap as a loss leader, so they get the production runs, if any, later. Also, they get to see what people are doing, in case something interesting goes by. There's also a suspicion that JLBPCB may be encouraged to do this by the Party, to discourage other countries from maintaining an independent prototyping capability.