That's rather hypocritical though, right? Athiests measure religious people with their conceptions of science and reason, why can't it go the other way?
I'm sorry but that's a terrible analogy. The whole point of open-source software is aligning the interests of individual developers and groups to create something that can be shared and add value to anyone who uses it. Currency trading is a zero-sum game. You have winners and losers on each transaction. No new value is being created. There's no altruistic reason that would justify someone with a profitable strategy, ML or otherwise, to share their approach with others (fellow contributing developers, ostensibly, but we all know any shared profitable method is going to be exploited by leechers). You could argue that the process of trying to make a profit here advances the field of ML, and I'll grant you that, it might. But beyond that, there's no "profit for everyone" angle here - that's just human nature.