I'm not sure why you think that is more likely though? Real advancements are often zeitgeist: plenty of people discovering things in parallel. Military doesn'

I'm not sure why you think that is more likely though? Real advancements are often zeitgeist: plenty of people discovering things in parallel. Military doesn't have the money to do every research hidden in parallel. Alone for the fact that you would need to create a shadow society (to make sure you are not getting sold out