Fair point but there's a nuance: by open-sourcing the code the author is democratizing that exact infrastructure for adaptation Now hundreds of other developer

Fair point but there's a nuance: by open-sourcing the code the author is democratizing that exact infrastructure for adaptation Now hundreds of other developers have the same "fast" tool and everyone has to run (adapt) even faster just to stay in place. So publishing the tool still dilutes the edge, just at a meta-level