Wargames Factory is a lesson, yes, but it is my understanding that the..... creative financial arrangements meant that the Chinese company had always, in the final analysis, owned Wargames Factory.
IP violations are rumoured to be why GW won't use cheaper OS factories, but that is because they see themselves as a global IP company. I will tastefully desist from comment on the broader implications of IP in the context of derivative fiction, of course, since I'm a gentleman.