This is very aggressively (perhaps too aggressively) stated, but he's absolutely right. People are all worried their ideas are gonna be "stolen", and my friends, I can assure you that won't be the problem.
Stolen ideas

Is there a difference between someone stealing a potato from your farm and someone stealing your idea? Well, if everyone in town comes and takes a potato, your farm is bust. But if everyone in town…

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See also The Cathedral and the Bazaar
https://en.m.wikipedia.org/wiki/The_Cathedral_and_the_Bazaar
(Yes, I know his other ideas are toxic, but this analysis is still worth reading.)
The Open Access Movement for academic literature
https://en.m.wikipedia.org/wiki/Budapest_Open_Access_Initiative
The Cathedral and the Bazaar - Wikipedia